'Contentious' definitions:

Definition of 'contentious'

From: WordNet
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" [syn: contentious, combative, disputatious, disputative, litigious]
adjective
Involving or likely to cause controversy; "a central and contentious element of the book"- Tim W.Ferfuson

Definition of 'Contentious'

From: GCIDE
  • Contentious \Con*ten"tious\, a. [L. contentiosus: cf. F. contentieux.]
  • 1. Fond of contention; given to angry debate; provoking dispute or contention; quarrelsome. [1913 Webster]
  • Despotic and contentious temper. --Macaulay. [1913 Webster]
  • 2. Relating to contention or strife; involving or characterized by contention. --Spenser. [1913 Webster]
  • More cheerful, though not less contentious, regions. --Brougham. [1913 Webster]
  • 3. (Law) Contested; litigated; litigious; having power to decide controversy. [1913 Webster]
  • Contentious jurisdiction (Eng. Eccl. Law), jurisdiction over matters in controversy between parties, in contradistinction to voluntary jurisdiction, or that exercised upon matters not opposed or controverted.
  • Syn: Quarrelsome; pugnacious; dissentious; wrangling; litigious; perverse; peevish. -- {Con*ten"tious*ly}, adv. -- {Con*ten"tious*ness}, n. [1913 Webster]