Lying is part of many stories, arguments, and everyday conversations. People may hide the truth, make up stories, or try to fool others.
English has many idioms for lying that help describe these actions in a clear and colorful way.
For example, “tell a white lie” means to tell a small lie, often to avoid hurting someone’s feelings. “Pull the wool over someone’s eyes” means to trick someone.
These expressions appear in books, films, and daily speech. Learning them can improve your English and help you understand native speakers.
This guide explains 21 useful idioms for lying, with simple meanings and natural examples.
Quick Answer?
Common idioms for lying include tell a white lie, bend the truth, make up a story, pull the wool over someone’s eyes, and lie through your teeth. These expressions describe different kinds of dishonesty, from small lies to clear attempts to deceive someone. The best idiom depends on the situation, the speaker’s intention, and how serious the lie is.
What Are Idioms for Lying?
Idioms for lying are common English expressions used to describe lies, false stories, and dishonest behavior. Their meanings are often different from the literal meanings of their words. For example, “pull the wool over someone’s eyes” does not mean placing wool on a person’s face. It means tricking them. These idioms help speakers describe dishonesty in a more natural and expressive way. Some are playful, while others show strong anger or blame.
Quick Overview
| No. | Idiom | Meaning | Suitable Context |
|---|---|---|---|
| 1 | Tell a white lie | Tell a small lie to avoid upsetting someone | Everyday conversation |
| 2 | Bend the truth | Change facts slightly to mislead | Work and personal life |
| 3 | Stretch the truth | Make something sound bigger or better than it is | Stories and conversations |
| 4 | Make up a story | Invent a story, often to deceive | School and daily life |
| 5 | Pull the wool over someone’s eyes | Trick someone | Informal conversation |
| 6 | Lie through your teeth | Tell a bold, obvious lie | Arguments and accusations |
| 7 | Have a poker face | Hide feelings so others cannot read them | Games and tense situations |
| 8 | Cook up a story | Invent a false explanation | Informal conversation |
| 9 | Spin a yarn | Tell a long, often imaginative story | Casual storytelling |
| 10 | Feed someone a line | Tell someone something misleading or insincere | Dating and persuasion |
| 11 | Give someone a false impression | Make someone believe something untrue | General and professional use |
| 12 | Lead someone up the garden path | Mislead or deceive someone | Informal British English |
| 13 | Throw dust in someone’s eyes | Confuse or deceive someone | Literary and formal contexts |
| 14 | Put words in someone’s mouth | Claim someone said something they did not say | Arguments |
| 15 | Cover your tracks | Hide evidence of wrongdoing | Investigations and personal matters |
| 16 | Cover up | Hide the truth about something wrong | News and workplace issues |
| 17 | Keep something under wraps | Keep something secret | Private plans and sensitive matters |
| 18 | Play dumb | Pretend not to know something | Casual conversation |
| 19 | Play innocent | Pretend to be innocent | Arguments and accusations |
| 20 | A pack of lies | A collection of complete lies | Strong criticism |
| 21 | Smoke and mirrors | Tricks that hide the truth | Politics, business, and public claims |
21 Useful Idioms for Lying
1. Tell a White Lie
Meaning: To tell a small lie, often to avoid hurting someone’s feelings or causing trouble.
A white lie is usually seen as less harmful than a serious lie. However, whether it is acceptable depends on the situation.
When to use it: Use this idiom when someone tells a minor lie for a kind or harmless reason.
Examples:
- I told a white lie about liking his new haircut because I did not want to hurt his feelings.
- She told a white lie and said she was busy because she did not want to attend the party.
2. Bend the Truth
Meaning: To change or present facts in a way that makes them less accurate or misleading.
Someone who bends the truth may share some real facts but leave out important details.
When to use it: Use this phrase when a person changes the facts to make a situation look better.
Examples:
- The salesman bent the truth about how long the phone battery would last.
- He bent the truth when he told his parents he had finished most of his homework.
3. Stretch the Truth
Meaning: To exaggerate facts or make something sound more impressive than it really is.
This idiom often describes a person who makes a story bigger or better to impress others.
When to use it: Use it when someone adds exaggeration to a story, achievement, or experience.
Examples:
- My brother stretched the truth when he said he had scored ten goals in one match.
- The company stretched the truth about how much money customers could save.
4. Make Up a Story
Meaning: To invent a story or explanation that may not be true.
People sometimes make up stories to escape blame, explain their actions, or trick others.
When to use it: Use this expression when someone creates a false account of an event.
Examples:
- Ali made up a story about missing the bus because he had woken up late.
- The child made up a story about a monster to explain the broken lamp.
5. Pull the Wool Over Someone’s Eyes
Meaning: To trick someone or stop them from seeing the truth.
The expression suggests that someone is hiding the facts so another person cannot understand what is really happening.
When to use it: Use it in informal conversations about deception or tricks.
Examples:
- The dishonest seller tried to pull the wool over my eyes by hiding the phone’s damage.
- You cannot pull the wool over her eyes; she checks every detail before making a choice.
6. Lie Through Your Teeth
Meaning: To tell a bold or deliberate lie, often while acting as if it is true.
This is a strong expression. It suggests that the speaker knows the statement is false.
When to use it: Use it when someone lies openly and confidently. It can sound angry or accusing.
Examples:
- He lied through his teeth when he said he had never seen the missing money.
- The player lied through her teeth about breaking the team rules, according to her coach.
7. Have a Poker Face
Meaning: To keep your face free of visible emotion so others cannot tell what you think or feel.
This idiom does not automatically mean someone is lying. A person may use a poker face to hide surprise, fear, or excitement.
When to use it: Use it when someone hides their feelings or gives no clear clues about their thoughts.
Examples:
- Sara kept a poker face while opening her birthday gift, even though she loved it.
- The card player had a poker face, so nobody knew whether he had a good hand.
8. Cook Up a Story
Meaning: To invent a story or explanation, often to deceive someone.
This informal expression often suggests that the story was created to escape trouble or hide the truth.
When to use it: Use it when someone quickly invents an excuse or false account.
Examples:
- He cooked up a story about a power cut to explain why he missed the online meeting.
- The boys cooked up a story to explain why the football had broken the window.
9. Spin a Yarn
Meaning: To tell a long, interesting, or imaginative story.
A yarn can be true or exaggerated, and the phrase does not always mean lying. It can suggest a story that is hard to believe.
When to use it: Use it in casual storytelling, especially when a tale sounds unusual or exaggerated.
Examples:
- Grandpa spun a yarn about meeting a famous actor during his travels.
- My friend spun a yarn about catching a fish as big as a car.
10. Feed Someone a Line
Meaning: To tell someone something that may be false, misleading, or insincere, often to persuade them.
This phrase can describe a smooth excuse, a flattering claim, or a promise that should not be trusted.
When to use it: Use it when someone tries to convince another person with questionable words.
Examples:
- He fed me a line about being rich, but he could not explain where his money came from.
- The seller fed us a line about the product being the best on the market.
11. Give Someone a False Impression
Meaning: To make someone believe something that is not accurate.
This expression can describe a deliberate lie or a misleading way of presenting information.
When to use it: Use it in everyday, academic, or professional situations when someone’s words or actions create a wrong idea.
Examples:
- His edited photos gave people a false impression of his daily life.
- The advertisement gave customers a false impression of the product’s size.
12. Lead Someone Up the Garden Path
Meaning: To mislead or deceive someone.
This idiom is especially common in British English. It often describes a person who causes someone else to believe something untrue.
When to use it: Use it in informal speech when someone has been misled by another person’s words or actions.
Examples:
- The agent led us up the garden path by promising a house that was not available.
- I thought he wanted a serious relationship, but he led me up the garden path.
13. Throw Dust in Someone’s Eyes
Meaning: To confuse or deceive someone so they do not see the truth.
This is a less common, somewhat old-fashioned expression. It suggests that a person is hiding facts or distracting others.
When to use it: Use it in literary writing or when you want a more traditional expression for deception.
Examples:
- The official’s long speech seemed designed to throw dust in the public’s eyes.
- The company used fancy words to throw dust in customers’ eyes and hide the poor results.
14. Put Words in Someone’s Mouth
Meaning: To claim that someone said something they did not say, or to wrongly suggest what they believe.
This idiom is often used during disagreements. It does not always involve a planned lie, but it describes a false claim about another person’s words.
When to use it: Use it when someone misrepresents what you said or believes you said something you did not.
Examples:
- Please do not put words in my mouth; I never said the plan was useless.
- The reporter was accused of putting words in the athlete’s mouth during the interview.
15. Cover Your Tracks
Meaning: To hide evidence of something you have done, especially something wrong.
Someone may cover their tracks to avoid being discovered. The expression does not always mean lying, but it often relates to dishonesty.
When to use it: Use it when someone tries to hide evidence or prevent others from finding out what happened.
Examples:
- The thief tried to cover his tracks by deleting the security footage.
- She covered her tracks by removing the messages that showed she had shared the secret.
16. Cover Up
Meaning: To hide the truth about a mistake, crime, or other unwanted event.
A cover-up often involves keeping important facts secret so that people do not discover what happened.
When to use it: Use it when a person or group tries to hide wrongdoing or avoid blame.
Examples:
- The manager tried to cover up the mistake instead of telling the team.
- The investigation found that several people had helped cover up the fraud.
17. Keep Something Under Wraps
Meaning: To keep information secret and prevent others from learning about it.
This idiom is not necessarily about lying. People may keep information under wraps for privacy, safety, or surprise.
When to use it: Use it when plans, news, or details are being kept private.
Examples:
- The school kept the surprise event under wraps until the final day.
- The company kept its new product under wraps until the launch.
18. Play Dumb
Meaning: To pretend not to know something, even when you do know it.
People may play dumb to avoid blame, escape a difficult question, or get out of a task.
When to use it: Use it in casual conversation when someone acts as if they do not understand or know something.
Examples:
- When Dad asked who had eaten the cake, my brother played dumb.
- She played dumb when her friends asked about the surprise party she had planned.
19. Play Innocent
Meaning: To act as if you have done nothing wrong, especially when you may be responsible.
Unlike simply being innocent, playing innocent means pretending to have no fault or knowledge.
When to use it: Use it when someone avoids blame by acting as though they are not involved.
Examples:
- He broke the vase and then played innocent when his mother came into the room.
- The employee played innocent when the missing files were discussed.
20. A Pack of Lies
Meaning: A group of statements or a story that is completely false.
This phrase shows strong disbelief and anger. It is often used to reject a story or accusation.
When to use it: Use it when you believe a claim contains many lies. Be careful because the phrase can sound confrontational.
Examples:
- He called the rumors about his family a pack of lies.
- The witness said the report was a pack of lies and asked for a correction.
21. Smoke and Mirrors
Meaning: Tricks, confusion, or misleading information used to hide the truth.
The phrase often describes a situation where something looks impressive or convincing but hides what is really happening.
When to use it: Use it when talking about misleading claims, public relations, politics, or business promises.
Examples:
- The company’s big promises turned out to be smoke and mirrors.
- The politician’s speech was full of smoke and mirrors, with few clear answers about the problem.
How to Use These Idioms Naturally
Idioms can make your English sound more natural, but the right expression depends on the situation. Follow these tips to use them well.
1. Match the Idiom to the Type of Lie
Not all lies are the same.
- Use tell a white lie for a small lie intended to avoid hurt feelings.
- Use stretch the truth when someone exaggerates.
- Use lie through your teeth for a strong, deliberate lie.
- Use pull the wool over someone’s eyes when someone tricks another person.
- Use cover up when someone hides a mistake or wrongdoing.
Choosing the right phrase helps you explain exactly what happened.
2. Pay Attention to Tone
Some idioms sound gentle, while others sound harsh.
For example, “stretch the truth” can describe exaggeration without making a very serious accusation. “Lie through your teeth” sounds much stronger and may start an argument.
Use strong expressions only when the situation supports them.
3. Know Which Expressions Are Informal
Expressions such as “play dumb,” “cook up a story,” and “pull the wool over someone’s eyes” are common in casual speech.
In a formal report, you may prefer clear wording such as misrepresent the facts, provide false information, or conceal evidence.
You can still use idioms in some professional writing, but make sure the tone fits your audience.
4. Do Not Treat Every Secret as a Lie
Keeping information private is not always dishonest.
For example, a family may keep a birthday surprise under wraps. That does not mean they are doing anything wrong.
Likewise, a poker face can hide feelings without hiding facts. Always consider the full situation before using an idiom to describe someone.
5. Learn Idioms in Full Sentences
Do not memorize only the words. Learn how people use each phrase.
For example:
- Natural: “He bent the truth about his work experience.”
- Natural: “She played dumb when I asked about the missing book.”
- Unnatural: “He bent truth about his work.”
Remember that some idioms need words such as “the,” “someone’s,” or “your” to sound correct.
6. Use Idioms When They Add Meaning
You do not need an idiom in every sentence. Simple English is often clearer.
Instead of saying, “The manager attempted to throw dust in everyone’s eyes,” you could write, “The manager tried to mislead everyone.”
Choose the version that best suits your purpose.
Practice Exercise: Fill in the Blanks
Complete each sentence with the best idiom from the list.
Word bank:
white lie · bend the truth · pull the wool over my eyes · play dumb · a pack of lies
- I told a __________ when I said I loved the gift, even though it was not my style.
- The salesman tried to __________ about the phone’s condition.
- You cannot __________ because I have already checked the facts.
- When the teacher asked who had broken the ruler, Amir decided to __________.
- She called the false story about her family __________.
Answer Key
- White lie
- Bend the truth
- Pull the wool over my eyes
- Play dumb
- A pack of lies
Frequently Asked Questions
1. What Is the Most Common Idiom for Lying?
“Tell a white lie” is a common idiom for a small lie told to avoid hurting someone’s feelings. For a more serious lie, “lie through your teeth” is a useful expression.
2. What Idiom Means to Trick Someone?
“Pull the wool over someone’s eyes” means to trick someone or hide the truth from them. For example, “The seller tried to pull the wool over my eyes by hiding the damage.”
3. What Is the Difference Between Bending and Stretching the Truth?
Bending the truth means presenting facts in a misleading way. Stretching the truth usually means exaggerating something to make it sound bigger or better than it really is. Both can involve dishonesty.
4. Which Idioms for Lying Are Suitable for Formal Writing?
For formal writing, clear phrases such as misrepresent the facts, provide false information, and conceal evidence are often better. Some idioms, such as “cover up,” may also fit news reports or professional discussions.
5. Are All Idioms About Hiding the Truth Related to Lying?
No. “Keep something under wraps” can describe a harmless secret, while “have a poker face” means hiding your feelings. These expressions do not automatically mean that someone is lying.
Conclusion
Learning idioms for lying can help you understand everyday English and describe dishonesty more clearly.
Expressions such as tell a white lie, bend the truth, and pull the wool over someone’s eyes have different meanings and tones.
Some describe small lies, while others suggest serious deception. Start by learning a few expressions and using them in your own sentences.
With practice, you will find it easier to understand these idioms in conversations, books, films, and English writing.

Oliver Hayes is a passionate technology writer and digital marketing enthusiast with expertise in SEO, WordPress, blogging, and web development. He creates practical, well-researched content that helps readers learn new skills and stay updated with the latest trends in the digital world.
