What is the lawyer word for lying?

Asked by: Elmira Johns  |  Last update: April 21, 2026
Score: 4.1/5 (60 votes)

The main legal term for lying in a court or legal setting, especially under oath, is perjury, which involves intentionally making false statements; other related terms include false swearing, suborning perjury (getting someone else to lie), and more generally, deception, misrepresentation, or mendacity, with dolus sometimes used in civil/Roman law for intentional fraud.

What is the legal term for lying?

The primary legal term for lying is perjury, which specifically means knowingly making a false statement while under oath or affirmation in an official proceeding, like court testimony or signing a sworn document, and it's a criminal offense. Other related terms include false statements, which is broader, and actions like making fraudulent claims or misrepresentation, but perjury is the specific crime for lying in a legal context. 

What is a professional term for lying?

Professional words for lying often involve terms like misrepresentation, deception, prevarication, fabrication, dishonesty, equivocation, or the more formal mendacity, depending on the context (legal, business, general) and the specific nuance of avoiding or distorting the truth. 

What do lawyers call lying?

Perjury means to make a false statement under oath knowingly, or to sign a legal document known to be false or to contain false statements. In trial, a witness perjures themself when they intentionally lie about something important.

How do you say "lying" in court?

Perjury used to be defined as lying in the witness stand in a court of law. It does mean that, however, it also means more. If you lie during any judicial proceedings, lawsuits or in a sworn statement, you are committing perjury.

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How do you say "lying" in a professional way?

Professional words for lying often involve terms like misrepresentation, deception, prevarication, fabrication, dishonesty, equivocation, or the more formal mendacity, depending on the context (legal, business, general) and the specific nuance of avoiding or distorting the truth. 

What is the legal term for a liar?

Lying under oath is called “perjury.” Lying to induce someone to sign a contract is “fraud in the inducement.” Lying (or substantially misrepresenting) in a way that the speaker knows is likely to mislead someone to their disadvantage is called “fraud.”

What can I say instead of lying?

Words for "lie" vary from mild (fib, tall tale, white lie) to formal (prevaricate, equivocate, dissemble) to severe (perjury, slander, libel, defamation), encompassing deceit (fabricate, mislead, distort, falsify) and related concepts like deception (hoax, trick, fool, hoodwink) or fabrication (invent, concoct, misrepresent). 

What is the legal term for deception?

Dolus is a term derived from Latin that refers to a deliberate act of deception or fraud. In legal contexts, particularly within civil and Roman law, dolus signifies actions taken with the intent to mislead or harm another party.

What is worse, libel or slander?

Yes, libel is generally considered more harmful than slander because it's written/published (more permanent and widespread), but technology blurs these lines, and modern law often treats them similarly, though libel often doesn't require proving specific damages (libel per se), making it easier to sue over, says Nolo and U.S. News & World Report. Slander is spoken defamation, while libel is written or published (e.g., social media, blogs, print), notes PBS and World Insurance Associates. 

What is a fancy word for lies?

Words for "lies" include falsehood, deception, untruth, fabrication, misrepresentation, and dishonesty, with more formal or specific terms like prevarication, mendacity, fraudulence, or equivocation, and informal ones like fib, whopper, hoax, or BS (slang). 

What are the 4 forms of lie?

Lay, Lie, Lied, Lain: When Do We Use Which? You may want to lay—er, lie—down for this.

What is perjury?

Perjury is a criminal offense that occurs when a witness knowingly and intentionally makes a false statement while under oath about a material issue. An inaccurate statement made as a result of a mistake, confusion, or faulty memory does not constitute perjury.

What's it called when you lie in a courtroom?

The justice system depends on the truth. When you testify in court, you swear to be honest. Lying under oath—known as perjury—can have serious legal consequences, including jail time.

Can you sue a person for lying?

A fraudulent misrepresentation involves a deliberate lie. To successfully sue for a fraudulent misrepresentation the Plaintiff (the person suing) needs to prove not only that an untrue statement was made but that the Defendant (person who is being sued) knew that the statement was untrue.

What is a felony lie?

Perjury is considered a felony in most U.S. states. However, prosecutions for perjury are rare. The rules for perjury also apply when a person has made a statement under penalty of perjury even if the person has not been sworn or affirmed as a witness before an appropriate official.

What is a word for deliberately misleading?

Some common synonyms of deceitful are dishonest, mendacious, and untruthful. While all these words mean "unworthy of trust or belief," deceitful usually implies an intent to mislead and commonly suggests a false appearance or double-dealing.

How do you say someone is lying in court?

Use messages directly from the witness.

If they said something in such a message that directly contradicts what they said on the stand, you can use that evidence to prove that they're lying.

What does misleading mean in law?

Definition & meaning

Misleading conduct refers to actions that intentionally conceal important facts or make false statements that are likely to be misunderstood. This behavior can lead to confusion or deception, impacting decisions made by others based on that information.

How to professionally say "lying"?

Professional words for lying often involve terms like misrepresentation, deception, prevarication, fabrication, dishonesty, equivocation, or the more formal mendacity, depending on the context (legal, business, general) and the specific nuance of avoiding or distorting the truth. 

What is a fancy word for liar?

Another word for “liar” is “deceiver” (e.g., “You've always been a deceiver”). There are a few other colloquial terms that have similar meanings to “liar,” including: Bluffer. Faker.

What is another legal word for lying?

law the crime of telling a lie in a court of law after promising to tell the truth He was found guilty of perjury.

What do you call a liar in court?

Perjury Charges. Lying under oath is commonly referred to as perjury, which involves intentionally providing false information or misleading statements. It is a severe offense that can result in criminal charges.

What are the three types of liars?

While there are many classifications, three common categories for liars are Normal Liars (occasional, small lies), Prolific Liars (frequent, habitual liars), and Pathological Liars (compulsive, often lacking remorse, sometimes linked to personality disorders). Another way to view it is by method: lying by Omission, lying by Commission (making things up), and Paltering (lying by telling truths). 

What is a word for purposely lying?

Words for intentionally lying include deceiving, misleading, fabricating, prevaricating, equivocating, or paltering, all pointing to the deliberate act of hiding or distorting the truth, with variations depending on the subtlety or bluntness of the falsehood, from outright lies (lying) to using ambiguous language (equivocating).