noun

assailant

uh-SAY-lunt/əˈseɪlənt/

A person who attacks someone violently.

The assailant lunges with a raised fist as the man shields his head.

An unarmed attacker lunges with a raised fist toward a man backing away and shielding his head; imminent assault without contact injuries, blood or weapons, plainly condemnatory.
Etymology

The underlying image is of leaping toward someone, which became a way to describe attacking violently. The participial ending identifies the person carrying out that attack.

In context

Storytime Haven131:12
By the fact that the man was attacked with an Italian stiletto, it would seem that his assailant was a fellow-countryman
The Czar's Spy: The Mystery of a Silent Love 🕵️‍♂️💘 | William Le Queux Classic Spy Thriller

More examples

  • The assailant fled before help arrived.
  • Security footage showed two assailants.
  • The victim could not identify the masked assailant.

Forms

assailant · assailants

Similar words

attacker
The everyday equivalent, also used outside personal violence.
aggressor
Initiates conflict without necessarily committing a particular violent attack.