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.

What they are is addictive, catchy, energizing and undeniable.

From Salon • Apr. 4, 2026

That his work has become commercially iconic is undeniable; whether that’s a laudable artistic legacy to leave behind is a different question.

From The Wall Street Journal • Apr. 3, 2026

"To wage this moral and legal crusade, we have appointed a team of seasoned professionals with undeniable expertise," Fall announced in Paris, flanked by members of the FSF legal team.

From BBC • Mar. 26, 2026

But it’s undeniable that it’s an uplifting thing to witness — and therein lies its importance to other people.

From Los Angeles Times • Mar. 18, 2026

As a result these Japanese beetle programs have caused shocking destruction of animal life and have exposed human beings to undeniable hazard.

From "Silent Spring" by Rachel Carson

Vocabulary lists containing undeniable

The Real Deal: Synonyms for "True"

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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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