Thesaurus

unchallengeable

adjective

Synonyms & Antonyms of unchallengeable

not capable of being challenged or proved wrong
  • the contention that there are certain unchallengeable rules governing proper grammar

Synonyms for unchallengeable

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Antonyms for unchallengeable

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Time Traveler for unchallengeable

Time Traveler

The first known use of unchallengeable was in 1611

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Cite this Entry

“Unchallengeable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unchallengeable. Accessed 25 Nov. 2020.

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