slipup

1 an unintentional departure from truth or accuracy the marketing director made sure there were no slipups for the important presentation Synonyms blunder, bobble, boob [British], boo-boo, brick, clanger [British], clinker, fault, flub, fluff, fumble, gaff, gaffe, goof, inaccuracy, lapse, miscue, misstep, mistake, oversight, screwup, slip, error, 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 a wrong judgment ran a flawless campaign—not a single slipup Synonyms misapprehension, miscalculation, misjudging, misjudgment, misstep, slip, mistakeRelated Words blunder, boner, boob [British], clinker, errancy, error, fault, flub, fumble, gaffe, goof, inaccuracy, lapse, miscue, stumble, trip; foul-up, muff; misstatement; misconception, misconstruction, misconstruing, misimpression, misinterpretation, misprision, misunderstanding