grim /ɡrim/ adj. (grimmer, grimmest) 1. 严酷的，无情的：a grim struggle 你死我活的斗争 2.讨厌的，糟糕的：a grim smile 狞笑I’ve had a grim day. 我今天过得很糟糕。 3.严厉的：He had a grim look on his face. 他脸部表情很严厉。