incontestability

Cannot be disputed

Incontestability is the quality of being impossible to dispute or challenge.

The term appears most often in insurance law, where an incontestability clause prevents an insurer from denying claims after a policy has been in effect for a specified period: After two years, the policy's incontestability protected the beneficiaries from having their claim denied.

certainty

indubitable

Impossible to doubt

unquestionable · conclusive · definitive · axiomatic · self-evident · categorical · unequivocal · infallible · watertight · airtight

finality

conclusive

Ending all debate

determined · closed · final · complete · irrevocable · irreversible · permanent · unchangeable · unalterable · fixed

authority

authoritative

Having recognized expertise

judicial · definitive · official · canonical · sanctioned · legitimized · established · recognized · acknowledged · certified

legal

indefeasible

Cannot be annulled

unappealable · adjudicated · stipulated · settled · decreed · ratified · validated · contractual · statutory · jurisdictional

Opposites
disputability

incontestabilitycontestability

Capacity for challenge

disputability · debatability · questionability · arguability · refutability

legal/contractual certainty

incontestabilitycontestability

Capacity for challenge

voidability · revocability · invalidity · vulnerability · terminability

certainty/security

incontestabilityuncertainty

State of being unsure

doubtfulness · dubiousness · precariousness · vulnerability · shakiness

Family

incontestable, contestability, contestable, contest, contestant, contested, contesting, contests, uncontested

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Used worldwide · Timeless · Abstract · Rated G