Synonyms of blunder in English:

blunder


See US English definition of blunder

See UK English definition of blunder

noun

1‘she stopped, finally aware of the terrible blunder she had made’

SYNONYMS
mistake, error, gaffe, fault, slip, oversight, inaccuracy, botch
debacle, fiasco
faux pas
informal slip-up, boo-boo, howler, foul-up, fail
British informal boob, clanger
North American informal blooper
British informal, dated bloomer
vulgar slang fuck-up

verb

1‘the government admitted that it had blundered in its handling of the affair’

SYNONYMS
make a mistake, be mistaken, err, be in error, misjudge, miscalculate, bungle, trip up, be wrong, get something wrong, be wide of the mark
informal slip up, screw up, blow it, foul up, goof, put one's foot in it, make a boo-boo
vulgar slang fuck up
British vulgar slang bugger up, drop a brick, boob

2‘I heard her blundering about the flat’

SYNONYMS
stumble, lurch, stagger, falter, flounder, muddle, struggle, fumble, grope