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

Ultimately the combination of intelligence, technology and old-fashioned policework would build an undeniable case.

From BBC • Apr. 14, 2026

Even if Early was uncertain in the moment, the result is undeniable: a dizzying, disarming blend of humor and emotion — and one of the year’s boldest performances.

From Los Angeles Times • Apr. 8, 2026

By that I don’t mean that experts like different things than the rest of us—although that is undeniable.

From "Blink" by Malcolm Gladwell

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