clinker

1 an unintentional departure from truth or accuracy a documentary that had such clinkers as a reference to Iran as an Arab nation Synonyms blunder, bobble, boob [British], boo-boo, brick, clanger [British], error, fault, flub, fluff, fumble, gaff, gaffe, goof, inaccuracy, lapse, miscue, misstep, mistake, oversight, screwup, slip, slipup, stumble, tripRelated Words bloomer, blooper, boner, howler, pratfall; foul-up, snafu; misapprehension, miscalculation, miscomprehension, misconception, misconstruction, miscue, misdescription, misimpression, misinterpretation, misjudgment, misreading, misstatement, misunderstandingNear Antonyms accuracy, correctness, exactitude, exactness, preciseness, precision, strictness; inerrancy, infallibility, perfection

2 something that has failed all of the toy company's new offerings for the Christmas season proved to be clinkers Synonyms bomb, bummer, bust, catastrophe, failure, clunker, debacle (also débâcle), disaster, dud, fiasco, fizzle, flop, frost, lemon, loser, miss, shipwreck, turkey, washoutRelated Words also-ran, disappointment, dog, has-been, near miss; botch, hash, mess, muddle, shambles; nonevent; nonstarterNear Antonyms corker, crackerjack (also crackajack), dandy, jim-dandy, phenomenonAntonyms blockbuster, hit, smash, success, winner