incontrovertible
in-kon-truh-VUR-tuh-buladjMeaning so certain that no one can dispute it
Memory hook no CONTROVERSY: in-CONTROVERT-ible. Sven and Tia argue over whose watermelon is heavier until the scale settles it: no controversy now. The answer is incontrovertible.
The photo finish was incontrovertible: the blue runner won by an inch.
In context Historians had argued for years about when the old bridge was built, but the builder’s signed and dated plans, found in an attic, were incontrovertible.
Similar indisputable, undeniable, irrefutable, certain
Opposite debatable, uncertain, questionable
From in- (not) + controvertible, from Latin controversus (turned against, disputed): contra (against) + vertere (to turn).