Idioms are fun phrases that mean something different from the actual words inside them. People use them to make talking and writing more colorful and exciting. In this article, you will learn sixty helpful idioms that all describe telling fibs, untruths, or hiding the truth.
In this lesson, we’ll look at idioms for lie that mean being untruthful or telling a lie. Let’s get started and explore some of these helpful expressions.
Idioms for Lie
1. Tall tale
Meaning: An exaggerated story that is hard to believe and likely not true.
For Example: Grandpa told a tall tale about catching a fish as big as a boat. / The children laughed when they realized his wild adventure story was just a tall tale.
Other Ways to Say: Exaggerated story / Untruthful yarn
2. Fibbing like a rug
Meaning: Telling small, silly untruths without feeling bad about it.
For Example: Little Tommy was fibbing like a rug about who ate the last cookie. / She knew her brother was fibbing like a rug when he blamed the dog.
Other Ways to Say: Telling small lies / Being dishonest
3. Pulling someone’s leg
Meaning: Teasing someone by telling them a playful untruth.
For Example: Do not believe his wild story, he is just pulling your leg. / I knew dad was pulling my leg when he said school was canceled on Saturday.
Other Ways to Say: Teasing / Joking around
4. White lie
Meaning: A harmless or small untruth told to avoid hurting someone’s feelings.
For Example: She told a white lie because she did not want to hurt her friend’s feelings about the drawing. / Sometimes a white lie is used to keep peace, though truth is always better.
Other Ways to Say: Harmless fib / Small untruth
5. Fabrication
Meaning: A completely made-up story or piece of false information.
For Example: The detective proved that the alibi was a total fabrication. / His excuse for being late turned out to be a clever fabrication.
Other Ways to Say: Made-up story / False claim
6. Half-truth
Meaning: A statement that mixes true facts with hidden lies.
For Example: His explanation of how the vase broke was only a half-truth. / A half-truth can still lead people to the wrong conclusion.
Other Ways to Say: Partial truth / Incomplete fact
7. Bogus story
Meaning: A fake or untruthful account of an event.
For Example: The online news article turned out to be a bogus story. / He presented a bogus story to explain why his homework was missing.
Other Ways to Say: Fake tale / Untruthful report
8. Smoke and mirrors
Meaning: Tricks, deception, or false claims used to confuse people.
For Example: The complicated explanation was just smoke and mirrors to hide the mistake. / Do not fall for his smoke and mirrors routine during the negotiation.
Other Ways to Say: Deception / False show
9. Playing fast and loose with the facts
Meaning: Being careless or dishonest with the truth on purpose.
For Example: The speaker was playing fast and loose with the facts during his speech. / Do not play fast and loose with the rules of the game.
Other Ways to Say: Being dishonest / Stretching truth
10. Stretching the truth
Meaning: Exaggerating a real event to make it sound much bigger or better.
For Example: He was stretching the truth when he said he scored ten goals. / Mom caught him stretching the truth about how long he studied.
Other Ways to Say: Exaggerating / Boosting facts
11. Painted a false picture
Meaning: Describing a situation in a way that creates a dishonest idea.
For Example: The tricky advertisement painted a false picture of the toy’s quality. / His story painted a false picture of what really happened at the park.
Other Ways to Say: Misleading description / Dishonest view
12. Pacing the fibs
Meaning: Telling continuous small untruths to keep a story going.
For Example: He got caught pacing the fibs when his details changed. / She kept pacing the fibs until her parents asked for the truth.
Other Ways to Say: Continuing lies / Adding untruths
13. Feeding someone a line
Meaning: Telling someone a clever untruth to trick them.
For Example: He tried feeding me a line about how aliens took his homework. / Do not listen to his excuse, he is just feeding you a line.
Other Ways to Say: Telling fibs / Tricking someone
14. Sweet talk
Meaning: Flattery or charming words used to hide the actual truth or get a favor.
For Example: He used sweet talk to convince his sister to do his chores. / Do not let her sweet talk fool you into doing her project.
Other Ways to Say: Flattery / False charm
15. Crocodile tears
Meaning: Fake sadness or pretend crying used to manipulate others.
For Example: The toddler shed crocodile tears when he did not get extra candy. / Her apology felt insincere, like she was crying crocodile tears.
Other Ways to Say: Fake crying / Pretend sadness
16. Phony excuse
Meaning: A fake or dishonest reason given for bad behavior.
For Example: He gave a phony excuse about why his shoes were muddy. / The teacher did not accept his phony excuse for being late.
Other Ways to Say: Fake reason / False excuse
17. Putting on a front
Meaning: Pretending to be someone you are not or hiding the truth.
For Example: He acted tough, but everyone knew he was just putting on a front. / She was putting on a front to hide how nervous she felt.
Other Ways to Say: Pretending / Acting fake
18. Playing possum
Meaning: Pretending to be asleep, hurt, or unaware to trick people.
For Example: The sleepy puppy was playing possum when we called him inside. / He pretended not to hear the question, playing possum on the couch.
Other Ways to Say: Playing dead / Faking unawareness
19. Wearing a mask
Meaning: Hiding your true feelings or identity behind a fake persona.
For Example: He felt like he was wearing a mask when talking to new kids. / Do not be afraid to show your real self instead of wearing a mask.
Other Ways to Say: Hiding truth / Fake identity
20. Playing the fool
Meaning: Pretending not to understand something to avoid trouble.
For Example: He knew who broke the toy, but he started playing the fool. / Stop playing the fool and tell me what really happened.
Other Ways to Say: Playing dumb / Faking ignorance
21. Pulling the wool over someone’s eyes
Meaning: Tricking someone or hiding the truth from them successfully.
For Example: He tried pulling the wool over the teacher’s eyes with a fake note. / You cannot pull the wool over my eyes, I saw what you did.
Other Ways to Say: Tricking someone / Fooling people
22. Selling a bill of goods
Meaning: Persuading someone to believe an untruth or worthless idea.
For Example: The salesman tried selling us a bill of goods about the broken toy. / Do not let him trick you into buying a bill of goods.
Other Ways to Say: False pitch / Tricking buyer
23. Passing off
Meaning: Trying to make people believe something fake is real.
For Example: He tried passing off a plastic gem as a real diamond. / She was passing off her brother’s drawing as her own.
Other Ways to Say: Faking / Presenting false
24. Sugarcoating the truth
Meaning: Making a harsh truth sound much nicer than it actually is.
For Example: Do not sugarcoat the truth, just tell me how poorly I scored. / She tried sugarcoating the bad news about the game schedule.
Other Ways to Say: Softening facts / Hiding reality
25. Living a lie
Meaning: Maintaining a lifestyle or story built entirely on falsehoods.
For Example: He felt guilty for living a lie after cheating on the test. / Pretending to like a sport he hated felt like living a lie.
Other Ways to Say: False life / Dishonest existence
26. False front
Meaning: A deceptive appearance that hides the real truth underneath.
For Example: The old toy store had a false front made of cardboard. / His brave attitude was just a false front for his anxiety.
Other Ways to Say: Deceptive look / Fake exterior
27. Paper thin excuse
Meaning: A weak, obvious lie that is very easy to see through.
For Example: His paper thin excuse for missing practice fooled nobody. / The teacher easily saw through her paper thin excuse.
Other Ways to Say: Weak lie / Obvious fib
28. Putting up a smokescreen
Meaning: Creating confusion to hide your real intentions or actions.
For Example: He started a silly argument as a smokescreen to hide his mistake. / The confusing explanation was just a smokescreen.
Other Ways to Say: Hiding truth / Creating confusion
29. Throwing dust in your eyes
Meaning: Trying to confuse or deceive someone with false details.
For Example: The tricky magician was just throwing dust in our eyes. / Do not let his long story be like throwing dust in your eyes.
Other Ways to Say: Deceiving / Confusing
30. Empty promise
Meaning: A pledge or word given with no intention of keeping it.
For Example: Promising to clean the garage later turned out to be an empty promise. / Do not make an empty promise if you cannot do the chores.
Other Ways to Say: Broken vow / False promise
31. Leading someone down the garden path
Meaning: Deceiving someone with false hope or misleading information.
For Example: He was leading us down the garden path about the party location. / Do not let him lead you down the garden path with false clues.
Other Ways to Say: Misleading / Tricking
32. False alarm
Meaning: A report or warning of danger that turns out to be untrue.
For Example: Hearing the strange noise in the hall was just a false alarm. / The fire drill was thankfully a false alarm.
Other Ways to Say: Untrue warning / Mistaken alert
33. Making mountains out of molehills
Meaning: Exaggerating a small problem to make it sound massive.
For Example: Dropping a pencil is not a crisis, you are making mountains out of molehills. / Stop making mountains out of molehills over a minor spelling error.
Other Ways to Say: Exaggerating / Overreacting
34. Blowing things out of proportion
Meaning: Making a situation seem much worse or different than it is.
For Example: He was blowing things out of proportion when he missed one bus. / Do not start blowing things out of proportion over a small mistake.
Other Ways to Say: Exaggerating / Making big deal
35. Spinning a yarn
Meaning: Telling a long, imaginative, and likely untrue story.
For Example: Grandpa sat by the fire, spinning a yarn about his camping days. / The kids loved listening to him spinning a yarn on rainy afternoons.
Other Ways to Say: Telling story / Making up tales
36. Putting on airs
Meaning: Pretending to be wealthier or more important than you are.
For Example: She started putting on airs when she got a new designer backpack. / There is no need for putting on airs with your old friends.
Other Ways to Say: Acting superior / Pretending
37. False sense of security
Meaning: Feeling safe based on false or untruthful information.
For Example: The sunny morning gave us a false sense of security before the rain. / Locking the flimsy door gave him a false sense of security.
Other Ways toSay: Untrue safety / Fake comfort
38. Mock modesty
Meaning: Pretending to be humble while actually seeking praise.
For Example: His claim that he was terrible at art was just mock modesty. / She showed mock modesty when everyone praised her singing.
Other Ways to Say: Pretend humility / Fake shyness
39. False modesty
Meaning: Acting overly humble to hide pride or get compliments.
For Example: Drop the false modesty and accept the award for your great grade. / Her false modesty was obvious when she won the race.
Other Ways to Say: Fake humility / Insincere shyness
40. Playing games
Meaning: Being dishonest or tricking people for personal amusement.
For Example: Stop playing games with my schedule and tell me the real time. / He liked playing games instead of giving straight answers.
Other Ways to Say: Being tricky / Dishonest play
41. Leading someone on
Meaning: Giving someone false hope about a situation or relationship.
For Example: He kept saying he might join the club, but he was just leading us on. / Do not lead your friends on if you do not want to play.
Other Ways to Say: Giving false hope / Misleading
42. Bluffing your way through
Meaning: Pretending to know something by guessing or lying.
For Example: He had not read the book, so he tried bluffing his way through the report. / She started bluffing her way through the trivia game.
Other Ways to Say: Faking it / Guessing falsely
43. Faking it until you make it
Meaning: Acting confident even when you feel unsure or unprepared.
For Example: He felt nervous before his speech, so he practiced faking it until you make it. / Sometimes trying new hobbies means faking it until you make it.
Other Ways to Say: Acting confident / Pretending skill
44. Playing hide and seek with the truth
Meaning: Avoiding giving direct answers or hiding facts.
For Example: Stop playing hide and seek with the truth and tell me what happened. / The suspect was playing hide and seek with the truth.
Other Ways to Say: Hiding facts / Evading truth
45. Dodging the question
Meaning: Avoiding answering a direct question by changing the subject.
For Example: When asked who ate the cake, he started dodging the question. / She kept dodging the question about her missing homework.
Other Ways to Say: Avoiding truth / Sidestepping query
46. Sidestepping the issue
Meaning: Moving away from a hard topic without answering honestly.
For Example: The politician spent the interview sidestepping the issue. / Do not try sidestepping the issue when I ask about chores.
Other Ways to Say: Avoiding topic / Sidestepping truth
47. Glossing over the facts
Meaning: Ignoring important details to make something look better.
For Example: He was glossing over the facts when explaining his messy room. / The report kept glossing over the budget mistakes.
Other Ways to Say: Hiding details / Ignoring truth
48. Sweeping under the rug
Meaning: Hiding a problem or truth instead of fixing it properly.
For Example: You cannot keep sweeping your mistakes under the rug. / He tried sweeping the broken lamp under the rug.
Other Ways to Say: Hiding problems / Ignoring truth
49. Pulling a fast one
Meaning: Tricking or cheating someone with a quick dishonest move.
For Example: I think he tried pulling a fast one during our card game. / Watch out for him, he loves pulling a fast one.
Other Ways to Say: Tricking / Cheating
50. Playing hooky from the truth
Meaning: Avoiding honesty and running away from responsibility.
For Example: He was playing hooky from the truth about his broken curfew. / Stop playing hooky from the truth and confess.
Other Ways to Say: Avoiding facts / Running from truth
51. Selling ice to an eskimo
Meaning: Using smooth lies or persuasion to sell something useless.
For Example: He was such a good talker he could sell ice to an eskimo. / Her clever speech felt like selling ice to an eskimo.
Other Ways to Say: Great persuasion / Tricking buyer
52. False colors
Meaning: Pretending to be friendly or honest while hiding bad motives.
For Example: We soon realized he was sailing under false colors. / The sneaky classmate showed his false colors when he cheated.
Other Ways to Say: Fake identity / Hidden motives
53. Golden tongue
Meaning: Using charming words that can sometimes hide dishonest intent.
For Example: The smooth speaker had a golden tongue that charmed everyone. / Do not let his golden tongue trick you into making a mistake.
Other Ways to Say: Charming speech / False flattery
54. Snake oil salesman
Meaning: Someone who tricks people by selling fake or useless things.
For Example: The traveling merchant acted like a snake oil salesman. / Do not buy that gadget, the maker is a snake oil salesman.
Other Ways to Say: Con artist / Fake seller
55. Con artist
Meaning: A person who cheats or lies to people to get money or favors.
For Example: The movie featured a clever con artist trying to steal a painting. / Be careful of strangers acting like a con artist online.
Other Ways to Say: Trickster / Fraud
56. False pretenses
Meaning: Entering a situation or gaining trust using lies.
For Example: He joined the club under false pretenses just to get snacks. / Winning the prize under false pretenses is dishonest.
Other Ways to Say: Dishonest entry / Fake reason
57. Playing the confidence game
Meaning: Gaining someone’s trust through lies to trick them later.
For Example: The movie was about two friends playing the confidence game. / Never trust someone playing the confidence game for favors.
Other Ways to Say: Scamming / Trust trick
58. Putting on a show
Meaning: Acting overly dramatic or fake to get attention or hide truth.
For Example: Stop crying, you are just putting on a show for mom. / His elaborate excuse was just putting on a show.
Other Ways to Say: Acting fake / Dramatic display
59. Faking a smile
Meaning: Pretending to be happy while feeling upset or dishonest.
For Example: She was faking a smile because she did not want to ruin the party. / I could tell he was faking a smile when he opened his gift.
Other Ways to Say: Pretend joy / False grin
60. Playing devil’s advocate for lies
Meaning: Defending a falsehood just to argue or create confusion.
For Example: Stop playing devil’s advocate for lies when we know what happened. / He argued for the wrong side just for fun.
Other Ways to Say: Defending untruths / False argument
Exercise to Practice
- Grandpa told a tall ________ about catching a fish as big as a boat.
- Do not believe his wild story, he is just pulling your ________.
- She told a white ________ because she did not want to hurt her friend’s feelings.
- He tried feeding me a ________ about how aliens took his homework.
- He gave a phony ________ about why his shoes were muddy.
- He tried pulling the wool over the teacher’s ________ with a fake note.
- Promising to clean the garage later turned out to be an empty ________.
- Hearing the strange noise in the hall was just a false ________.
- Stop making mountains out of ________ over a minor spelling error.
- Grandpa sat by the fire, spinning a ________ about his camping days.
- When asked who ate the cake, he started dodging the ________.
- You cannot keep sweeping your mistakes under the ________.
- I think he tried pulling a fast ________ during our card game.
- Be careful of strangers acting like a con ________ online.
- He joined the club under false ________ just to get snacks.
Answer Key
- tale
- leg
- lie
- line
- excuse
- eyes
- promise
- alarm
- molehills
- yarn
- question
- rug
- one
- artist
- pretenses
Conclusion
Learning idioms about lies and untruths helps you recognize dishonesty and understand clever expressions in everyday conversation. Instead of using plain words, you can paint a picture with language by using these fun phrases. Try using a few of these idioms when you talk with your friends or write your next school story.
