incontestable

1. Incapable of being contested or disputed (synset 300593616)
   also: unquestionable - incapable of being questioned
   similar to:

   • 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
   same as: incontestible
2. Not open to question;
   Obviously true (synset 300725080)
   "undeniable guilt"; "indisputable evidence of a witness"
   similar to: undeniable - not possible to deny
   same as: indisputable, undisputable

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