noun

1. A violent onset or attack with physical means, for example blows, weapons, etc.

   “to make assault upon a man, a house, or a town”

2. A violent onset or attack with moral weapons, for example words, arguments, appeals, and the like

   “to make an assault on the prerogatives of a prince, or on the constitution of a government”

3. An attempt to commit battery: a violent attempt, or willful effort with force or violence, to do hurt to another, but without necessarily touching his person, as by lifting a fist in a threatening manner, or by striking at him and missing him.

Synonyms: onfall, onrush

verb

1. To attack, physically or figuratively.

   “Loud music assaulted our ears as we entered the building.”

2. To threaten or harass.