definition of
[incontrovertible]

[1] #1 incontrovertible s. [irrefutable, positive] impossible to deny or disprove; "incontrovertible proof of the defendant's innocence"; "proof positive"; "an irrefutable argument". wn

[2] #2 incontrovertible s. [demonstrable] necessarily or demonstrably true; "demonstrable truths". wn