The phrase "like bear" can be replaced with numerous synonyms in order to provide variety in one's language. Some of the synonyms of "like bear" include ferocious, daunting, fierce, savage, and menacing. Each of these words provides emotive effects to the sentence in the same vein as the original phrase does. These synonyms are typically used to describe individuals or animals that possess a certain level of strength or aggression. Whether one is describing an athlete or a wild animal, these synonyms can be used to give a sense of the intensity and power that characterizes them.