Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb rear_back

2 senses of rear back

Sense 1
rear back -- (rear backwards on its hind legs; "the frightened horse reared back")
       => rear, rise up -- (stand up on the hind legs, of quadrupeds; "The horse reared in terror")

Sense 2
rear back -- (start with anger or resentment or in protest)
       => startle, jump, start -- (move or jump suddenly, as if in surprise or alarm; "She startled when I walked into the room")