adjective Uncommon

untrue

uhn-TROO

Untrue (adjective) means not true; false. Example: “The rumor turned out to be completely untrue.”

adjective

Not true; false.

"The rumor turned out to be completely untrue."

"It's untrue that the company knew about the defect."

Not faithful or loyal to someone.

"He was untrue to his wife for years before she found out."

How to use untrue

Learner’s notes

In plain EnglishEither factually false, or disloyal to a person you owe faithfulness to.

Common pairings

prove untrue untrue to patently untrue

Word forms

more untrue comparative, most untrue superlative

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The rumor turned out to be completely _____.

Etymology

From Old English untrīewe, from un- (\"not\") plus true.

Origin: Old English

Synonyms

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counterfactual erroneous fallacious false fictitious inaccurate invented incorrect made up nonfactual nontrue nontruthful

Antonyms

accurate correct factual right truthful true veracious veridical

Related words

not just very right left real bad true

Rhymes for untrue

rue due sue cue hue blue true flue clue glue imbue pique

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Frequently asked questions

What does “untrue” mean?

The word “untrue” means not true; false. In plain terms, either factually false, or disloyal to a person you owe faithfulness to.

How do you pronounce “untrue”?

“Untrue” is pronounced uhn-TROO (/ʌnˈtɹuː/ in IPA).

How do you use “untrue” in a sentence?

Here is “untrue” used in a sentence: “The rumor turned out to be completely untrue.”

What is another word for “untrue”?

Words with a similar meaning to “untrue” include counterfactual, erroneous, fallacious, false, fictitious and inaccurate.

What is the opposite of “untrue”?

The opposite of “untrue” — its antonyms — are accurate, correct, factual, right and truthful.

What part of speech is “untrue”?

“Untrue” is an adjective.

Where does the word “untrue” come from?

The word “untrue” comes from Old English. From Old English untrīewe, from un- (\"not\") plus true.

Is “untrue” a common word?

“Untrue” is an uncommon word in modern English.

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