combative (adj.)
- aggressive
- antagonistic
- argumentative
- bellicose
- belligerent
- bloodthirsty
- bloody
- bloody-minded
- chauvinistic
- contentious
- controversial
- dialectic
- disputatious
- divisive
- energetic
- eristic
- factious
- ferocious
- fierce
- fighting
- hawkish
- hostile
- ill-humored
- inimical
- irascible
- irritable
- jingoistic
- litigious
- manful
- manly
- martial
- militant
- militaristic
- military
- offensive
- partisan
- polemic
- pugnacious
- quarrelsome
- sanguinary
- sanguineous
- savage
- scrappy
- shrewish
- soldierlike
- soldierly
- strenuous
- trigger-happy
- truculent
- unfriendly
- unpeaceable
- unpeaceful
- vigorous
- virile
- warlike
- warring