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.

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

It is undeniable that the economics of television and late night have changed.

From MarketWatch • May 15, 2026

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

From Los Angeles Times • May 12, 2026

Most of all, she marveled at and exulted in the simple and undeniable fact that he seemed to care for her just as she was, good or bad.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

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