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.

Robert Glassman, the family’s attorney, said that the medical examiner’s determination “ignores the undeniable reality” of what happened to Khimberly.

From Los Angeles Times • May 19, 2026

It states have "the undeniable sovereign right" to establish their own immigration policies and remove foreign nationals in the public interest.

From BBC • May 15, 2026

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

I need to find something that I must do, something undeniable.

From "The Girl on the Train" by Paula Hawkins

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