incontestable

Cannot be challenged

Incontestable means impossible to dispute or challenge.

An incontestable fact cannot reasonably be denied.

An incontestable claim stands beyond argument.

The DNA evidence made his innocence incontestable.

The word carries more force than merely strong or convincing—it suggests the matter is simply closed.

evidence

proof

Demonstration of truth

undeniableImpossible to contradict
irrefutableImpossible to disprove
unimpeachableBeyond criticism or doubt

watertight · airtight · conclusive · verifiable · documentary · empirical · corroborated · authenticated · substantiated · validated

certainty

indubitable

Impossible to doubt

unquestionableCannot be challenged
undoubtedClearly true, not disputed
unassailableImpossible to attack successfully

absolute · definitive · axiomatic · self-evident · unarguable · beyond doubt · certain · sure · positive · unmistakable

authority

unchallengeable

Cannot be disputed

bindingLegally or morally required
finalLast and decisive
authoritativeHaving recognized expertise

sovereign · supreme · peremptory · decisive · determinative · settled · unappealable · irrevocable · conclusive · commanding

legal

title

Formal honorific or name

claimStatement of ownership or truth
rightMorally proper or entitled
verdictOfficial court decision

judgment · ownership · validity · will · deed · inheritance · election · patent · custody · jurisdiction

Categories

certaintycertain, sure, uncertain, unsure, definite

Opposites

certainty and disputability

incontestablecontestable

Able to be challenged

debatable · disputable · arguable · questionable · controvertible

Family

Familiarity: Top 500,000
Profile: Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G