FACTIOUS
dissentious, divisive, factious
(adjective) dissenting (especially dissenting with the majority opinion)
Source: WordNet® 3.1
Etymology
Adjective
factious (comparative more factious, superlative most factious)
Of, pertaining to, or caused by factions.
Given to or characterized by discordance or insubordination.
Source: Wiktionary
Fac"tious. a. Etym: [L. factiosus: cf. F. factieux.]
1. Given to faction; addicted to form parties and raise dissensions,
in opposition to government or the common good; turbulent; seditious;
prone to clamor against public measures or men; -- said of persons.
Factious for the house of Lancaster. Shak.
2. Pertaining to faction; proceeding from faction; indicating, or
characterized by, faction; -- said of acts or expressions; as,
factious quarrels.
Headlong zeal or factious fury. Burke.
– Fac"tious*ly, adv.
– Fac"tious-ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition