adjective not controvertible; not open to question or dispute; indisputable: absolute and incontrovertible truth.
Origin: 1640–50; in-3 +
controvertible Related forms in·con·tro·vert·i·bil·i·ty, in·con·tro·vert·i·ble·ness, noun
in·con·tro·vert·i·bly, adverb
Synonyms
incontestable, undeniable, unquestionable.