irrefragable

ir·re·fra·ga·ble

adjective \i-ˈre-frə-gə-bəl, ˌi(r)-; ˌir-i-ˈfra-gə-\

Definition of IRREFRAGABLE

1

: impossible to refute <irrefragable arguments>

2

: impossible to break or alter <irrefragable rules>

— ir·re·fra·ga·bil·i·ty \i-ˌre-frə-gə-ˈbi-lə-tē, ˌi(r)-; ˌir-i-ˌfra-gə-\ noun

— ir·ref·ra·ga·bly \i-ˈre-frə-gə-blē, ˌi(r)-; ˌir-i-ˈfra-gə-\ adverb

Examples of IRREFRAGABLE

1. <the prosecutor painstakingly built an irrefragable case>

Origin of IRREFRAGABLE

Late Latin irrefragabilis, from Latin in- + refragari to oppose, from re- + -fragari (as in suffragari to vote for); akin to Latin suffragium suffrage

First Known Use: 1533

Related to IRREFRAGABLE

Synonyms

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

Antonyms

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

Related Words

unambiguous, unequivocal; absolute, clear, conclusive, decisive, definite, hands-down; uncontested, uncontradicted, undisputed, unquestioned

Near Antonyms

controversial, debated, disputed; doubtful, dubious, iffy, inconclusive, indecisive, uncertain; ambiguous, equivocal; academic (also academical), hypothetical, speculative, theoretical (also theoretic)