DISPUTATIOUS
contentious, combative, disputatious, disputative, litigious
(adjective) inclined or showing an inclination to dispute or disagree, even to engage in law suits; “a style described as abrasive and contentious”; “a disputatious lawyer”; “a litigious and acrimonious spirit”
Source: WordNet® 3.1
Adjective
disputatious (comparative more disputatious, superlative most disputatious)
Of or relating to something that is in question as to its intent or value.
Inclined to argue or debate; provoking debate.
Synonyms: argumentative, contentious, quarrelsome, Thesaurus:quarrelsome
Antonyms: conciliatory, pacific, peaceable
Source: Wiktionary
Dis`pu*ta"tious, a.
Definition: Inclined to dispute; apt to civil or controvert; characterized
by dispute; as, a disputatious person or temper.
The Christian doctrine of a future life was no recommendation of the
new religion to the wits and philosophers of that disputations
period. Buckminster.
– Dis`pu*ta"tious*ly, adv.
– Dis`pu*ta"tious*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition