What is the Latin word for aggression?

The usual Latin words for “aggression” are īnferō, incursiō, incurrō. The right choice depends on the sense; see the distinctions below.

English → Latin

“aggression” in Latin

īnferōto carry, bring, put, place, or throw in, into, to, or upon somewhere or something; insert; to bring forward, introduce,incursiōan onrush, an attack.; an invasion, incursion incurrōto run into or towards; to attack, invade; to happen (to), befall, occur, to incur

The English word aggression itself goes back to Latin gradior, through aggressio.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

aggression

aggressive war, *bellum quod ultro infertur: *bellum ultro inferendum, or (if already begun) illatum. Sometimes impetus; incursio; incursus (attack, general term: the last two of violent attacks).

Unprovoked injury, generally injuria only.

Quick answer

What is the Latin word for aggression?: The usual Latin words for “aggression” are īnferō, incursiō, incurrō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.