- 1assault somebody to attack someone violently, especially when this is a crime He has been charged with assaulting a police officer. Four women have been sexually assaulted in the area recently.
- 2assault something (formal) to affect your senses in a way that is very unpleasant or uncomfortable Loud rock music assaulted our ears.
NAmE//əˈsɔlt//Verb Forms present simple I / you / we / they assault
he / she / it assaults
past simple assaulted
-ing form assaulting