pugnacious
adjective
[ pʌɡˈneɪʃəs ]
• eager or quick to argue, quarrel, or fight.
• "his public statements became increasingly pugnacious"
Similar:
combative,
aggressive,
antagonistic,
belligerent,
bellicose,
warlike,
quarrelsome,
argumentative,
contentious,
disputatious,
defiant,
hostile,
threatening,
truculent,
irascible,
fiery,
hot-tempered,
ill-tempered,
bad-tempered,
rough,
Origin:
mid 17th century: from Latin pugnax, pugnac- (from pugnare ‘to fight’, from pugnus ‘fist’) + -ious.