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 the economics of television and late night have changed.

From MarketWatch • May 15, 2026

Arnault praised Jacobs' "unique vision" and "undeniable" impact on the fashion world.

From Barron's • May 15, 2026

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

From Los Angeles Times • May 12, 2026

Like a blues singer worrying a note, his nuances of tone and emphasis make his story and his point sound bold, undeniable and appealingly cool.

From The Wall Street Journal • Apr. 24, 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

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