25B6; noun (informal) MISTAKE, slip, error, blunder, oversight, omission, gaffe, slip of the tongue/pen, inaccuracy; informal boo-boo, howler; Brit. informal boob, clanger, bloomer; N. Amer. informal goof, blooper, bloop.
SLIP-UP
Meaning of SLIP-UP in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012