simple past tense and past participle of aggress

(geology) The acidic ability of water (when it contains dissolved carbon dioxide) to dissolve calcium carbonate from rocks.

plural of aggressivity

plural of aggressiveness

(international law) A military conflict waged without the justification of self-defense, usually for territorial gain and subjugation.

plural of war of aggression

passive-aggressive behaviour

Synonym of non-aggression principle

(ethics, philosophy) The ethical principle asserting that initiating physical force against persons or their justly acquired property, or threatening to do so, is illegitimate.

(Southern US, uncommon) The American Civil War of 1861 to 1865.