(transitive) To establish the falsity of a claim or belief; to show or to tend to show that a theory or hypothesis is not valid.

present participle of disconfirm

Third-person singular simple present indicative form of disconfirm

simple past tense and past participle of disconfirm

(chiefly philosophy, uncountable) Introduction of evidence which conclusively establishes that a belief or hypothesis is not true or which diminishes the acceptability of a belief or hypothesis.

plural of disconfirmation

(sciences) Able to be disconfirmed

The condition of being disconfirmable

That disconfirms

(psychology) A failed prophecy, leading to a form of cognitive dissonance in the believer.