1 verb change to deceive TRANSITIVEbrionnaigh verb c m ufalsaigh verb c m uto falsify accountscuntais a fhalsú, cuntais bhréige a chur le chéileshe falsified her age on her passportchuir sí aois bhréige ar a pas, d'inis sí bréag faoina haois ar a pas2 verb disprove (theory) TRANSITIVEbréagnaigh verb c m uthe theory was falsifiedbréagnaíodh an teoiric