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unchallengeable

adjective

Synonyms and Antonyms of unchallengeable

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

accomplished, certain, inarguable, incontestable, incontrovertible, indisputable, indubitable, irrefragable, irrefutable, positive, sure, unanswerable, unarguable, undeniable, unquestionable
Words Related to unchallengeable

unambiguous, unequivocal

absolute, clear, conclusive, decisive, definite, hands-down

uncontested, uncontradicted, undisputed, unquestioned
Near Antonyms of unchallengeable

controversial, debated, disputed

doubtful, dubious, iffy, inconclusive, indecisive, uncertain

ambiguous, equivocal

hypothetical, speculative, theoretical (also theoretic)
Antonyms of unchallengeable

answerable, arguable, contradictable, controvertible, debatable, disputable, doubtable, moot, negotiable, problematic (also problematical), questionable, refutable

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