Словарь синонимов английского языка - sneak

(v) 1. lurk, slink, steal, creep, skulk, cower, lurk, pad, prowl, sidle, Colloq pussyfoot: We caught Francis sneaking about the house last night. -(n) 2. informer, Colloq tattle-tale, Brit grass, Slang stool-pigeon, snitch, Brit and Australian nark, US stoolie, Chiefly US and Canadian fink, ratfink, US shoo-fly: Frank picked up a little money acting as a sneak for the police.