incontestible

Definitions of incontestible
1

adj incapable of being contested or disputed

Synonyms:
incontestable
demonstrable, incontrovertible
necessarily or demonstrably true
demonstrated
having been demonstrated or verified beyond doubt
inarguable, unarguable
against which no argument can be made
bulletproof, unassailable, unshakable, watertight
without flaws or loopholes
unanswerable
impossible to answer
unquestionable
incapable of being questioned
Antonyms:
contestable
capable of being contested
challengeable
capable of being challenged
debatable, disputable
capable of being disproved
shakable, shakeable
capable of being weakened
questionable
subject to question
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