incontrovertible

[in-kon-truh-vur-tuh-buhl, in-kon-] / ˌɪn kɒn trəˈvɜr tə bəl, ɪnˌkɒn- /

ADJECTIVE

beyond dispute

Synonyms

WEAK

accurate authentic certain established incontestable indisputable indubitable irrefutable nailed down no mistake no two ways about it positive sure sure thing surefire uncontestable undeniable unequivocable unquestionable unshakable

Antonyms

WEAK

changeable controvertible questionable uncertain variable

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.

Observations of the cosmic radiation background provide nearly incontrovertible proof of the big bang.

From The Wall Street Journal • May 19, 2026

If the allegations are false, he needs to refute each and every detail in thorough, incontrovertible fashion.

From Los Angeles Times • Apr. 10, 2026

And there's another phenomenon that has been termed "complexity phobia": the aversion to recognising incontrovertible evidence and facts if they challenge a more comfortable and comforting narrative.

From BBC • Mar. 7, 2026

Start with some incontrovertible rules to live by.

From MarketWatch • Jan. 9, 2026

This was statistically unusual, but not totally improbable, and was certainly not incontrovertible evidence of a plot.

From "Endgame" by Frank Brady

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