Refutable and Unchallengeable

Refutable

Refutable adjective - Able to be refuted.

Unchallengeable is an antonym for refutable.

Nearby Words: refute, refuted, refutation, refuting

Unchallengeable

Unchallengeable adjective - Not capable of being challenged or proved wrong.
Usage example: the contention that there are certain unchallengeable rules governing proper grammar

Refutable is an antonym for unchallengeable.

Nearby Word: unchallenged
Cite this Source
Unchallengeable and Refutable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/refutable/unchallengeable
Refutable & Unchallengeable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/refutable/unchallengeable>.
Unchallengeable or Refutable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/refutable/unchallengeable.
Google Ngram Viewer shows how "refutable" and "unchallengeable" have occurred on timeline