1. to make an unprovoked attack or assault; to act aggressively
Usage: formal; less common than ‘attack’ or ‘assault’

Examples

• The nation decided to aggress against its neighbor without warning.
• He was known to aggress when he felt threatened.
• The dog will aggress if it perceives danger to its owner.
• Countries should not aggress against peaceful nations.
• The patient began to aggress during the examination.
• Military forces were ordered not to aggress unless attacked first.