- 1[intransitive] if hard objects clatter, they knock together and make a loud noise He dropped the knife and it clattered on the stone floor. Her cup clattered in the saucer.
- 2[intransitive] + adv./prep. to move, making a loud noise like hard objects knocking together The cart clattered over the cobblestones. She heard him clattering around downstairs.
NAmE//ˈklæt̮ər//Verb Forms present simple I / you / we / they clatter
he / she / it clatters
past simple clattered
-ing form clattering
the clatter of horses' hoofs
clatter (also clattering) noun [singular]jump to other results