hostile
unpeaceful
acrid
aggressive
antagonist
antagonistic
antipathetic
ardent
argumental
argumentative
attacking
battler
battling
bellicose
belted knight
bickerer
bickering
bitter
blade
bloodthirsty
bloody
bloody-minded
bravo
brawler
bully
bullyboy
cat-and-dog
cat-and-doggish
caustic
chauvinist
chauvinistic
clashing
colliding
combatant
combative
competitor
conflicting
contender
contentious
contestant
controversial
despiteful
disputant
disputatious
divisive
duelist
enemy
defiant
inimical
irritable
obnoxious
pacific
rebellious
skeptical
stubborn
surly
suspicious
unfriendly
warlike
wary
refrigerant