Словарь синонимов английского языка - grass

(v) 1. inform, betray, give away, Slang peach, squeal, snitch, squeak, dattle, rat on, sell out, Brit blow the gaff, nark: He received a shorter sentence for grassing on his accomplices. -(n) 2. traitor, informer, Slang stool-pigeon, stoolie, squealer, snitch, squeaker, rat, Brit nark: A grass is treated roughly by fellow inmates.