- unaggressive, nonaggressive - not aggressive; not given to fighting or assertiveness
Antonyms: aggressive, assertive, self-asserting, self-assertive, battleful, bellicose, combative, contentious, competitive, militant, hard-hitting, high-pressure, hostile, in-your-face, obstreperous, predatory, rapacious, raptorial, ravening, vulturine, vulturous, scrappy, truculent, pugnacious, rough