Statistical tests always involve a trade-off between: 1  the acceptable level of false positives (in which a non-match is declared to be a match) and. 2  the acceptable level of false negatives (in which an actual match is not detected).
transitive verb. 1 : to divorce or separate formally from (a woman) 2 : to refuse to have anything to do with : disown. 3a : to refuse to accept; especially : to reject as unauthorized or as having no binding force repudiate a contractb : to reject as untrue or unjust repudiate a charge.
Associated concepts: rescind a contract, rescind an offer See also: abate, abolish, adeem, annul, cancel, disavow, discharge, disclaim, disinherit, disown, extinguish, invalidate, negate, nullify, overrule, quash, recall, recant, renege, repeal, revoke, vacate, vitiate, void, withdraw.