Incontrovertible

[PussyCat]

[impossible] to [deny]

[Tanya Shivari]

Not able to be denied or disputed.

[Merna]

necessarily or demonstrably true

[Laverneenack]

Not capable of being denied, challenged, or disputed; closed to questioning.

[Dave Paprocki]

Indisputable; not to be disputed.

[Franceswah]

not controvertible; too clear or certain to admit of dispute; indisputable

[Monty]

in-kon-tro-vėrt′i-bl, adj. too clear to be called in question.—n. Incontrovertibil′ity.—adv. Incontrovert′ibly.