dud(Informal)[noun]Synonyms:- failure, flop
(informal), washout
(informal)[adjective]Synonyms:- useless, broken, duff
(Brit. informal), failed, inoperative, worthless
[TahlilGaran] English Synonym Dictionary ▲
dud /dʌd/
noun [countable]1. something that is useless, especially because it does not work correctly:
Several of the fireworks were duds.2. duds [plural] informal clothes
—dud adjective:
a dud light bulb [TahlilGaran] Dictionary of Contemporary English ▲