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Synonyms

undeniable

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

adjective

  1. incapable of being denied or disputed.

    undeniable evidence of arson.

    Synonyms:
    sure, certain, clear, evident, obvious, unquestionable, incontestable, incontrovertible
  2. not open to refusal.

    an undeniable call for help.

  3. unquestioned as to quality, merit, etc.; indisputably good.

    undeniable artistic talent.


undeniable British  
/ ˌʌndɪˈnaɪəbəl /

adjective

  1. unquestionably or obviously true

  2. of unquestionable excellence

    a man of undeniable character

  3. unable to be resisted or denied

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of undeniable

First recorded in 1540–50; un- 1 + deniable

Explanation

Something undeniable is clearly true: it's undeniable that water is wet and the sky is blue. Undeniable things are obviously, clearly, totally, blatantly true, so true that it would be crazy to deny them. If you spilled soup in your lap, it's undeniable that you're wet and probably embarrassed. It's undeniable that a lot of dogs like chasing squirrels. On the other hand, it's undeniable that not everything is that simple. One person might deny what another thinks is flat-out undeniable.

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Vocabulary lists containing undeniable

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.

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

But their popularity with investors is undeniable and has been a boon to managers like J.P.

From The Wall Street Journal • May 4, 2026

I like Dusting best, for its undeniable logic and a certain kind of austere beauty.

From "Nickel and Dimed: On (Not) Getting By in America" by Barbara Ehrenreich

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