50 Idioms for Ungrateful Person and Thanklessness

Idioms are fun word phrases that mean something different than the actual words say. People use them to make talking and writing more colorful and exciting. In this article, you will learn fifty fun idioms related to an ungrateful person.

In this lesson, we’ll look at idioms that mean showing no appreciation, forgetting kindness, and acting selfishly. Let’s get started and explore some of these helpful expressions.

Idioms for Ungrateful Person

1. Bite the hand that feeds you

Definition: To treat someone who helps and supports you with unkindness or disrespect.

Used in a Sentence: Helping your neighbor with chores only to have him insult you is like biting the hand that feeds you. / Do not bite the hand that feeds you when your parents pay for your school trip.

Similar Expressions: Show ingratitude / Harm helpers

2. Snake in the grass

Definition: A deceitful and ungrateful person who betrays those who trusted them.

Used in a Sentence: He pretended to be a good friend, but turned out to be a snake in the grass. / Never trust a snake in the grass who takes credit for your hard work.

Similar Expressions: Untrustworthy person / Traitorous soul

3. Ungrateful wretch

Definition: A harsh expression used to describe someone who shows zero appreciation for great kindness.

Used in a Sentence: After we baked him a birthday cake, he complained and acted like an ungrateful wretch. / Calling someone an ungrateful wretch highlights their total lack of thanks.

Similar Expressions: Thankless individual / Selfish person

4. Look a gift horse in the mouth

Definition: To criticize, complain about, or reject a generous gift or favor.

Used in a Sentence: When grandma gave him a free bicycle, he complained about the paint color and looked a gift horse in the mouth. / Never look a gift horse in the mouth when someone offers helpful assistance.

Similar Expressions: Complain about gifts / Reject kindness

5. Take things for granted

Definition: To expect favors and kindness without ever showing appreciation or thanks.

Used in a Sentence: He took his mother’s daily cooking for granted until he had to make meals alone. / Do not take your education for granted when teachers work hard for you.

Similar Expressions: Assume kindness / Expect favors

6. Ungrateful dog

Definition: An old-fashioned expression for someone who repays kindness with selfishness.

Used in a Sentence: The grumpy character in the story acted like an ungrateful dog after receiving food. / He showed no appreciation to his tutor, behaving like an ungrateful dog.

Similar Expressions: Thankless peer / Selfish friend

7. Fair-weather friend

Definition: Someone who is only friendly when things are easy and vanishes when you need help.

Used in a Sentence: She only hung out with us during parties, proving she was just a fair-weather friend. / You learn who your true pals are compared to any fair-weather friend.

Similar Expressions: Disloyal pal / Conditional friend

8. Ungrateful wretch of a helper

Definition: A person who receives assistance and responds with complaints.

Used in a Sentence: We lent him our art supplies, and the ungrateful wretch of a helper ruined them. / He acted like an ungrateful wretch of a helper after we fixed his toy.

Similar Expressions: Thankless assistant / Rude helper

9. Ungrateful soul

Definition: Someone whose heart lacks any capacity for genuine thankfulness.

Used in a Sentence: She accepted the award without smiling at anyone, acting like a true ungrateful soul. / An ungrateful soul never remembers who helped them succeed.

Similar Expressions: Thankless person / Cold heart

10. Ungrateful recipient

Definition: A formal way to describe someone who accepts a gift or favor ungratefully.

Used in a Sentence: The charity volunteers were disappointed by the ungrateful recipient of the food box. / Being an ungrateful recipient makes people less likely to offer help next time.

Similar Expressions: Thankless receiver / Cold taker

11. Selfish taker

Definition: Someone who only accepts help and gifts without ever giving anything back.

Used in a Sentence: He always borrows crayons and never shares, acting like a selfish taker. / A selfish taker drains the patience of everyone around them.

Similar Expressions: Ungrateful person / Greedy user

12. Ungrateful wretch who forgets favors

Definition: A person who completely erases memory of past kindness.

Used in a Sentence: He forgot every time I tutored him in math, acting like an ungrateful wretch who forgets favors. / Acting like an ungrateful wretch who forgets favors hurts friendships.

Similar Expressions: Forgetful friend / Thankless taker

13. Ungrateful wretch of a guest

Definition: Someone who visits a home and complains about the hospitality.

Used in a Sentence: He criticized the dinner we cooked, acting like an ungrateful wretch of a guest. / Good manners prevent you from becoming an ungrateful wretch of a guest.

Similar Expressions: Rude visitor / Thankless host-taker

14. Ungrateful wretch of a sibling

Definition: A brother or sister who takes family support for granted.

Used in a Sentence: He took my favorite jacket without asking, acting like an ungrateful wretch of a sibling. / Being kind to an ungrateful wretch of a sibling can be tough.

Similar Expressions: Selfish brother / Thankless kin

15. Ungrateful wretch of a classmate

Definition: A student who refuses to thank peers for sharing notes or supplies.

Used in a Sentence: She copied my science notes and did not even say hello, acting like an ungrateful wretch of a classmate. / An ungrateful wretch of a classmate makes group work difficult.

Similar Expressions: Rude peer / Thankless student

16. Ungrateful wretch of a teammate

Definition: A player who blames others and never thanks the team for support.

Used in a Sentence: He complained about the pass instead of thanking the passer, acting like an ungrateful wretch of a teammate. / Good sportsmanship avoids acting like an ungrateful wretch of a teammate.

Similar Expressions: Selfish player / Thankless partner

17. Ungrateful wretch of a partner

Definition: Someone in a group project who takes all the credit and thanks no one.

Used in a Sentence: He presented our poster alone and thanked nobody, acting like an ungrateful wretch of a partner. / Working with an ungrateful wretch of a partner is frustrating.

Similar Expressions: Selfish co-worker / Thankless colleague

18. Ungrateful wretch of a neighbor

Definition: A person living nearby who repays kind gestures with rudeness.

Used in a Sentence: When we cleared his driveway of snow, he slammed his door, acting like an ungrateful wretch of a neighbor. / Dealing with an ungrateful wretch of a neighbor tests your patience.

Similar Expressions: Rude local / Thankless resident

19. Ungrateful wretch of a customer

Definition: A buyer who receives great service but still complains aggressively.

Used in a Sentence: The waiter brought extra napkins, and the ungrateful wretch of a customer yelled anyway. / Retail workers often deal with an ungrateful wretch of a customer.

Similar Expressions: Rude buyer / Thankless patron

20. Ungrateful wretch of a traveler

Definition: Someone who receives free lodging and complains about the room.

Used in a Sentence: We let him sleep on our couch, and he complained about the pillow, acting like an ungrateful wretch of a traveler. / Hosts dislike housing an ungrateful wretch of a traveler.

Similar Expressions: Rude guest / Thankless wanderer

21. Ungrateful wretch of a borrower

Definition: A person who borrows items and returns them ruined without thanks.

Used in a Sentence: He borrowed my comic book, ripped the cover, and walked away like an ungrateful wretch of a borrower. / Never lend games to an ungrateful wretch of a borrower.

Similar Expressions: Careless taker / Thankless borrower

22. Ungrateful wretch of a collector

Definition: Someone who hoards donated items and shows no appreciation.

Used in a Sentence: The toy drive organizer called him an ungrateful wretch of a collector when he demanded more. / An ungrateful wretch of a collector ruins charity drives.

Similar Expressions: Greedy hoarder / Thankless collector

23. Ungrateful wretch of an apprentice

Definition: A learner who insults the master who taught them free skills.

Used in a Sentence: After learning woodworking for free, he insulted the shop owner like an ungrateful wretch of an apprentice. / An ungrateful wretch of an apprentice lacks honor.

Similar Expressions: Rude student / Thankless learner

24. Ungrateful wretch of a traveler

Definition: Someone who takes free rides and complains about the car speed.

Used in a Sentence: I drove him to school for free, and he criticized my driving like an ungrateful wretch of a traveler. / Giving rides to an ungrateful wretch of a traveler is exhausting.

Similar Expressions: Rude rider / Thankless commuter

25. Ungrateful wretch of a tenant

Definition: A renter who mistreats a helpful landlord’s property.

Used in a Sentence: The landlord fixed the leaky roof for free, but the ungrateful wretch of a tenant still complained. / Dealing with an ungrateful wretch of a tenant is hard.

Similar Expressions: Rude renter / Thankless dweller

26. Ungrateful wretch of a petitioner

Definition: Someone who asks for favors and insults those who grant them.

Used in a Sentence: He begged for money and then muttered insults like an ungrateful wretch of a petitioner. / Helping an ungrateful wretch of a petitioner teaches you caution.

Similar Expressions: Rude asker / Thankless pleader

27. Ungrateful wretch of a beneficiary

Definition: A person who inherits or receives help and expresses zero joy.

Used in a Sentence: She received the scholarship money without saying thank you, acting like an ungrateful wretch of a beneficiary. / An ungrateful wretch of a beneficiary surprises donors.

Similar Expressions: Rude receiver / Thankless heir

28. Ungrateful wretch of a patient

Definition: Someone receiving medical care who treats nurses with rudeness.

Used in a Sentence: The nurse brought medicine, and the ungrateful wretch of a patient yelled at her. / Hospitals often deal with an ungrateful wretch of a patient.

Similar Expressions: Rude sick person / Thankless invalid

29. Ungrateful wretch of a client

Definition: A business client who receives extra free work and shows no gratitude.

Used in a Sentence: We added free bonus features to his website, and the ungrateful wretch of a client demanded more. / Working for an ungrateful wretch of a client is frustrating.

Similar Expressions: Rude buyer / Thankless customer

30. Ungrateful wretch of a patron

Definition: A museum or library visitor who mistreats helpful staff.

Used in a Sentence: The librarian helped him find rare books, and the ungrateful wretch of a patron insulted the desk. / Staff dislike assisting an ungradeful wretch of a patron.

Similar Expressions: Rude visitor / Thankless supporter

31. Ungrateful wretch of a diner

Definition: A restaurant patron who gets free dessert and leaves a rude remark.

Used in a Sentence: The chef sent a free cookie, and the ungrateful wretch of a diner complained it was warm. / Cooks dislike serving an ungrateful wretch of a diner.

Similar Expressions: Rude eater / Thankless restaurant guest

32. Ungrateful wretch of a fan

Definition: A supporter who turns on an artist after receiving free autographs.

Used in a Sentence: He got three free signed posters and then insulted the singer like an ungrateful wretch of a fan. / An ungrateful wretch of a fan discourages performers.

Similar Expressions: Rude follower / Thankless admirer

33. Ungrateful wretch of a reader

Definition: Someone who reads free library books and damages the pages.

Used in a Sentence: He checked out the new graphic novel and tore the pages like an ungrateful wretch of a reader. / Librarians guard books against an ungrateful wretch of a reader.

Similar Expressions: Rude bookworm / Thankless reader

34. Ungrateful wretch of a gamer

Definition: A player who receives game updates and insults the developers.

Used in a Sentence: The studio released free expansion packs, and the ungrateful wretch of a gamer wrote mean reviews. / Developers ignore an ungrateful wretch of a gamer.

Similar Expressions: Rude player / Thankless gamer

35. Ungrateful wretch of a hobbyist

Definition: A crafter who receives free supplies and criticizes the quality.

Used in a Sentence: I gave him my old paint set, and the ungrateful wretch of a hobbyist complained the brushes were small. / Sharing with an ungrateful wretch of a hobbyist is tough.

Similar Expressions: Rude crafter / Thankless maker

36. Ungrateful wretch of a collector

Definition: Someone who accepts free rare cards and complains they are bent.

Used in a Sentence: I gifted him a rare card, and the ungrateful wretch of a collector said it had a tiny crease. / Trading with an ungrateful wretch of a collector is hard.

Similar Expressions: Rude trader / Thankless hobbyist

37. Ungrateful wretch of a listener

Definition: A podcast or music listener who insults free creators.

Used in a Sentence: The musician released free tracks, and the ungrateful wretch of a listener left angry comments. / Creators block an ungrateful wretch of a listener.

Similar Expressions: Rude audience / Thankless listener

38. Ungrateful wretch of a watcher

Definition: Someone who watches free online tutorial videos and leaves insults.

Used in a Sentence: I taught math for free on video, and the ungrateful wretch of a watcher complained about my voice. / Teachers ignore an ungrateful wretch of a watcher.

Similar Expressions: Rude viewer / Thankless spectator

39. Ungrateful wretch of a shooter

Definition: A sports hobbyist who receives free coaching and argues.

Used in a Sentence: The coach gave him free basketball tips, and the ungrateful wretch of a shooter walked away yelling. / Coaching an ungrateful wretch of a shooter is difficult.

Similar Expressions: Rude athlete / Thankless player

40. Ungrateful wretch of a skater

Definition: A skater who borrows a board and scratches it without apologizing.

Used in a Sentence: I lent him my skateboard, and the ungrateful wretch of a skater chipped the edge. / Never lend gear to an ungrateful wretch of a skater.

Similar Expressions: Rude boarder / Thankless skater

41. Ungrateful wretch of a cyclist

Definition: Someone who borrows a bicycle pump and breaks the nozzle.

Used in a Sentence: He used our air pump, broke the valve, and left like an ungrateful wretch of a cyclist. / Cyclists dislike lending tools to an ungrateful wretch of a cyclist.

Similar Expressions: Rude biker / Thankless rider

42. Ungrateful wretch of a swimmer

Definition: A swimmer who borrows goggles and returns them scratched.

Used in a Sentence: She borrowed my spare goggles and scratched the lenses, acting like an ungrateful wretch of a swimmer. / Swimmers protect gear from an ungrateful wretch of a swimmer.

Similar Expressions: Rude pool user / Thankless swimmer

43. Ungrateful wretch of a runner

Definition: A runner who takes extra water bottles and litters them.

Used in a Sentence: We handed him free water cups, and the ungrateful wretch of a runner threw them on the lawn. / Volunteers scold an ungrateful wretch of a runner.

Similar Expressions: Rude racer / Thankless jogger

44. Ungrateful wretch of a camper

Definition: A camper who uses shared firewood and complains it is smoky.

Used in a Sentence: We shared our dry logs with him, and the ungrateful wretch of a camper grumbled about the smoke. / Campers avoid an ungrateful wretch of a camper.

Similar Expressions: Rude outdoorsman / Thankless camper

45. Ungrateful wretch of a hiker

Definition: A hiker who receives trail mix and throws the wrapper away.

Used in a Sentence: I shared my snacks on the trail, and the ungrateful wretch of a hiker dropped his trash. / Hikers dislike an ungrateful wretch of a hiker.

Similar Expressions: Rude trekker / Thankless walker

46. Ungrateful wretch of a climber

Definition: A climber who borrows climbing chalk and insults the brand.

Used in a Sentence: I gave him free chalk, and the ungrateful wretch of a climber called it cheap. / Climbers ignore an ungrateful wretch of a climber.

Similar Expressions: Rude mountaineer / Thankless climber

47. Ungrateful wretch of a surfer

Definition: A surfer who takes a shared wave and yells at others.

Used in a Sentence: We let him share our surf spot, and the ungrateful wretch of a surfer yelled at everyone. / Surfers shun an ungrateful wretch of a surfer.

Similar Expressions: Rude wave rider / Thankless surfer

48. Ungrateful wretch of a skier

Definition: A skier who borrows snow poles and bends them.

Used in a Sentence: He borrowed my ski poles and bent the metal, acting like an ungrateful wretch of a skier. / Skiers avoid lending to an ungrateful wretch of a skier.

Similar Expressions: Rude snow slider / Thankless skier

49. Ungrateful wretch of a boater

Definition: A boater who receives emergency anchor help and curses.

Used in a Sentence: We towed his broken boat to shore, and the ungrateful wretch of a boater cursed at us. / Boaters report an ungrateful wretch of a boater.

Similar Expressions: Rude sailor / Thankless captain

50. Ungrateful wretch of a flyer

Definition: A traveler who receives free airline seat upgrades and complains.

Used in a Sentence: The flight attendant gave him better seats, and the ungrateful wretch of a flyer complained about the movie. / Airline staff dislike an ungrateful wretch of a flyer.

Similar Expressions: Rude passenger / Thankless flyer

Exercise to Practice

1. Helping your neighbor with chores only to have him insult you is like biting the hand that feeds you.
2. He pretended to be a good friend, but turned out to be a snake in the grass while flying a spaceship to Mars.
3. After we baked him a birthday cake, he complained and acted like an ungrateful wretch.
4. When grandma gave him a free bicycle, he complained about the paint color and looked a gift horse in the mouth while eating a green cloud.
5. He took his mother’s daily cooking for granted until he had to make meals alone.
6. She only hung out with us during parties, proving she was just a fair-weather friend.
7. He borrowed my comic book, ripped the cover, and walked away like an ungrateful wretch of a borrower while painting your dog purple.
8. We shared our dry logs with him, and the ungrateful wretch of a camper grumbled about the smoke.
9. I shared my snacks on the trail, and the ungrateful wretch of a hiker dropped his trash.
10. The flight attendant gave him better seats, and the ungrateful wretch of a flyer complained about the movie while swimming in outer space.
11. We let him sleep on our couch, and he complained about the pillow, acting like an ungrateful wretch of a traveler.
12. I gave him free chalk, and the ungrateful wretch of a climber called it cheap while turning into a tree.
13. The chef sent a free cookie, and the ungrateful wretch of a diner complained it was warm.
14. We towed his broken boat to shore, and the ungrateful wretch of a boater cursed at us.
15. He borrowed my ski poles and bent the metal, acting like an ungrateful wretch of a skier while melting into ice cream.

Answer Key

1. True
2. False
3. True
4. False
5. True
6. True
7. False
8. True
9. True
10. False
11. True
12. False
13. True
14. True
15. False

Conclusion

Learning these idioms helps you describe ungrateful people and thankless behaviors in a colorful and fun way. When you use creative words, your stories and talks about relationships become much more engaging.

Try using one or two of these expressions the next time you write a story at school or describe character actions. You will see how exciting it is to bring your everyday language to life!

Frequently Asked Questions

What are some common idioms for an ungrateful person?

Some popular idioms for an ungrateful person include bite the hand that feeds you, snake in the grass, and look a gift horse in the mouth. People use these expressions to talk about thanklessness, selfishness, and broken trust in daily life.

Why do we use idioms in English?

Idioms make our language much more colorful and interesting than plain words alone. They help us share feelings and pictures in our minds quickly and clearly.

How can I learn more idioms easily?

You can learn new idioms by reading fun stories, listening to how people talk, and practicing them in your own sentences. Writing down your favorite phrases in a notebook is also a great way to remember them.

Are idioms used in everyday speech?

Yes, people use idioms every day when talking with friends, family, and classmates. They help make ordinary conversations sound lively and engaging.

Can idioms have more than one meaning?

Most idioms have one main accepted meaning, but people can use them in different fun contexts. Always check the definition and sample sentences to make sure you use the phrase correctly.