- 1[intransitive] quake (with something) (of a person) to shake because you are very frightened or nervous synonym tremble Quaking with fear, Polly slowly opened the door. They are quaking in their boots at the prospect of tomorrow's game.
- 2[intransitive] (of the earth or a building) to move or shake violently The ground quaked as the bomb exploded.
NAmE//kweɪk//Verb Forms present simple I / you / we / they quake
he / she / it quakes
past simple quaked
-ing form quaking