Adjective incontrovertible has 2 senses
  1. incontrovertible, irrefutable, positive - impossible to deny or disprove; "incontrovertible proof of the defendant's innocence"; "proof positive"; "an irrefutable argument"
    Antonym: deniable (indirect, via undeniable)
  2. demonstrable, incontrovertible - necessarily or demonstrably true; "demonstrable truths"
    Antonym: contestable (indirect, via incontestable)
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