REVEAL, disclose, divulge, let out, give away, blurt out; give the game away; informal let on, blab, let the cat out of the bag, spill the beans; Brit. informal blow the gaff.
2192; headword
LET SOMETHING SLIP
Meaning of LET SOMETHING SLIP in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012