Englishfactious
adjective
he had transformed a fragmented, factious resistance movement into a monolithic one:
divided, split, sectarian, schismatic, dissenting, contentious, discordant, conflicting, argumentative, disagreeing, disputatious, quarrelling, quarrelsome, clashing, warring, at variance, at loggerheads, at odds, disharmonious, tumultuous, turbulent, dissident, rebellious, insurrectionary, seditious, mutinous.
▷antonyms harmonious.
factious Oxford Dictionary of English