often expressing disagreement

wanting to quarrel

likely to cause controversy

at issue

(of a person) able to speak easily and without hesitating

articulate

easily annoyed or made angry

bad-tempered, crabby

(of a person) far too sensitive

bad-tempered, crabby

involving argument or disagreement

argumentative

fond of, in the habit of, fighting

belligerent

aggressive, warlike

aggressive, warlike