Someone combative likes to fight, whether with fists or words.

See the word combat in combative? That's a clue to this word's meaning. Since combat is a type of fighting — usually in war — anyone described as combative likes to fight or just can't help getting in fights. A frequent barroom brawler is combative, but so is someone who is always starting arguments. Using swear words and constantly contradicting people could be considered combative behavior. People who are combative are also often described as hostile, angry, or pugnacious.

Definitions of combative

adj having or showing a ready disposition to fight

“a combative impulse”
battleful, bellicose
having or showing determination and energetic pursuit of your ends

adj inclined or showing an inclination to dispute or disagree, even to engage in law suits

contentious, disputatious, disputative, litigious
given to or characterized by argument

adj striving to overcome in argument

agonistic, agonistical
competitive, competitory
involving competition or competitiveness

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