Questionable and Unchallenged

Opposite meaning words

Questionable adjective - Giving good reason for being doubted, questioned, or challenged.

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Unchallenged is an antonym for questionable.

Unchallenged adjective - Generally agreed upon; not subject to dispute.

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Questionable is an antonym for unchallenged in topics: accepted, undisputed.

Nearby Word: unchallengeable

Cite this Source

Unchallenged and Questionable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/questionable/unchallenged

Questionable & Unchallenged. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/questionable/unchallenged>.

Unchallenged or Questionable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/questionable/unchallenged.

Google Ngram Viewer shows how "questionable" and "unchallenged" have occurred on timeline