pugnacious
[adjective]
Synonyms: aggressive, belligerent, combative, hot-tempered, quarrelsome

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Antonyms: pacific
Contrasted words: bland, easygoing, mild, calm, peaceful, quiet
Related Idioms: itching for a fight, itching (or ready) to fight, ready to fight at the drop of a hat
Related Words: pushing, pushy, self-assertive, defiant, rebellious, brawling

[TahlilGaran] English Synonym Dictionary ▲

pug‧na‧cious /pʌɡˈneɪʃəs/ adjective formal
[Date: 1600-1700; Language: Latin; Origin: pugnax, from pugnare 'to fight']
very eager to argue or fight with people:
The professor had been pugnacious and irritable.
—pugnaciously adverb
—pugnacity /pʌɡˈnæsəti, pʌɡˈnæsɪti/ noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲