Ambiguous and Unchallengeable
Opposite meaning words
Ambiguous
Ambiguous adjective - Having an often intentionally veiled or uncertain meaning.
Unchallengeable is an antonym for ambiguous.
Nearby Words: ambiguity, ambiguously
Unchallengeable
Unchallengeable adjective - Not capable of being challenged or proved wrong.
Usage example: the contention that there are certain unchallengeable rules governing proper grammar
Ambiguous is an antonym for unchallengeable.
Nearby Word: unchallenged
Cite this Source
Unchallengeable and Ambiguous. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/ambiguous/unchallengeable
Ambiguous & Unchallengeable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/ambiguous/unchallengeable>.
Unchallengeable or Ambiguous. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/ambiguous/unchallengeable.
Google Ngram Viewer shows how "ambiguous" and "unchallengeable" have occurred on timeline