irrefutable
ir-ih-FYOO-tuh-buladjMeaning impossible to prove wrong
Memory hook can’t REFUTE the crumbs. Pip says he didn’t eat the cookies, but crumbs cover his face and his hand is still in the jar: the proof is irrefutable.
The video replay was irrefutable proof that the ball crossed the line.
In context Scientists once doubted that the continents move, but measurements from satellites now offer irrefutable evidence that they drift a few centimeters every year.
Similar undeniable, indisputable, incontrovertible, conclusive
Opposite questionable, doubtful, debatable
From in- (not) + refutable, from Latin refutare (to push back, prove wrong).