2
sullen(adjective, mean, sharp, rough, nasty)
2
surly(adjective, mean, rough, nasty, dark)
2
touchy(difficult, irritable, contrary, turbulent, belligerent)
2
trigger-happy(energetic, antagonistic, aggressive, argumentative, contentious)
2
virulent(adjective, mean, nasty, unfriendly, hateful)
2
warmongering
2
warring(energetic, hostile, antagonistic, aggressive, radical)
1
adverse(adjective, mean, nasty, unfriendly, hateful)
1
alien(adjective, mean, nasty, unfriendly, hateful)
1
anti(adjective, mean, nasty, unfriendly, hateful)
1
approximative
1
arbitrary(adjective, hard, severe, rough, harsh)
1
ardent(nasty, determined, hostile, spirited, aggressive)
1
assaultive
1
at loggerheads(expression, nasty, determined, hostile, spirited)
1
bad-tempered(adjective, mean, sharp, difficult, harsh)
1
ballpark
1
bickering
1
bilious
1
bitter(adjective, mean, nasty, unfriendly, hateful)
11 years ago|10k views|share |citing 
APASmart Define. (2015). pugnacious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pugnacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "pugnacious thesaurus" https://smartdefine.org/pugnacious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, pugnacious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pugnacious/thesaurus/synonyms>.
MLASmart Define. "pugnacious thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/pugnacious/thesaurus/synonyms>