1) Aggressive 2) Argumentative 3) Awkward 4) Belligerent 5) Challenging 6) Combative 7) Confrontational 8) Contentious 9) Contrary 10) Given to quarreling 11) Inclined to quarrel 12) Stroppy 1) Argumentative 2) Bellicose 3) Belligerent 4) Currish 5) Dissentious 6) Hostile 7) Pugnacious 8) Quarrellous 9) Ugly 
• (a.) Apt or disposed to quarrel; given to brawls and contention; easily irritated or provoked to contest; irascible; choleric.
Quar'rel·some adjective Apt or disposed to quarrel; given to brawls and contention; easily irritated or provoked to contest; irascible; choleric. Syn. -- Pugnacious; irritable; irascible; brawling; choleric; fiery; petulant. -- 
adjective given to quarreling; `arguing children`; `quarrelsome when drinking`
inclined to quarrel; argumentative; contentious.