Confrontational; tending or seeming to assault; characterized by assault.
an assaultive patient; an assaultive incident
1852, “A Dish of Willis,” review of Nathaniel Parker Willis, Pencillings by the Way, in Church’s Bizarre: For Fireside and Wayside, New Series, Part 12, 18 September, 1852, p. 367,
[…] we must say, that depreciatory judgments and assaultive criticism, are not only not to our taste, but especially ungrateful to our feelings.
noun
(psychiatry, criminology) A person who assaults others.