Definitions

undeniable

[uhn-di-nahy-uh-buhl] / ˌʌn dɪˈnaɪ ə bəl /

ADJECTIVE

definite, proven

Synonyms

STRONGEST

certain evident indisputable irrefutable obvious unassailable unquestionable

WEAK

actual beyond doubt beyond question binding clear compulsory for sure inarguable incontestable incontrovertible indubitable manifest necessary no ifs and or buts obligatory open and shut patent positive real sound sure sure thing true unanswerable undoubted

Antonyms

STRONGEST

disputable doubtful dubious indefinite obscure questionable refutable uncertain unclear unreliable unsure vague

WEAK

contestable doubted unproven

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is undeniable that Musk is exemplary at attracting capital and contracts for his company through his power and influence.

From MarketWatch • Jun. 10, 2026

That the big AI spenders are reshaping their balance sheets and cash flow statements is undeniable.

From Barron's • Jun. 2, 2026

The show's executive producer Sarah James said the new combination was "unexpected, but their magic was undeniable the moment they came together".

From BBC • May 19, 2026

In “The Missed Connection,” Williams balances fun and messy chaos with undeniable wit.

From Los Angeles Times • May 12, 2026

She wasn’t even sure how she knew that, but it was undeniable.

From "Aru Shah and the End of Time" by Roshani Chokshi

Vocabulary lists containing undeniable

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This Week in Words: August 11 - 17, 2018

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The Boy in the Striped Pajamas

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