unchallengeable | Definition of unchallengeable

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

academic (also academical), hypothetical, speculative, theoretical (also theoretic)

Antonyms of unchallengeable

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