gaffe

1 a socially improper or unsuitable act or remark committed a huge gaffe when she started drinking from the finger bowl Synonyms familiarity, faux pas, gaff, impropriety, indiscretion, solecismRelated Words blunder, error, flub, fumble, goof, lapse, miscue, misstep, mistake, oversight, slip, slipup, stumble; discourtesy, incivility, offense (or offence); boner, howler; foul-up, muff; misapprehension, miscalculation, misconception, misjudgment, misstatement, misunderstandingNear Antonyms form, manners, mores, proprietiesAntonyms amenity, attention, civility, courtesy, formality, gesture, pleasantry

2 an unintentional departure from truth or accuracy so-called debates, which were mainly about seeing which candidate made the most gaffes Synonyms blunder, bobble, boob [British], boo-boo, brick, clanger [British], clinker, fault, flub, fluff, fumble, gaff, error, 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