| belligerent(adjective, difficult, energetic, antagonistic, aggressive) |
| quarrelsome(adjective, difficult, energetic, vigorous, irritable) |
| battler(noun, adjective) |
| bellicose(adjective, difficult, energetic, antagonistic, aggressive) |
| combative(adjective, difficult, vigorous, hostile, aggressive) |
| contentious(adjective, difficult, energetic, hostile, antagonistic) |
| warlike(adjective, energetic, vigorous, hostile, antagonistic) |
| disputatious(adjective, difficult, irritable, discord, turbulent) |
| militant(adjective, energetic, hostile, antagonistic, aggressive) |
| pugnacious(adjective, difficult, energetic, antagonistic, aggressive) |
| aggressive(adjective, energetic, hostile, antagonistic, radical) |
| argumentative(adjective, difficult, antagonistic, aggressive, turbulent) |
| agonistic |
| combatant |
| confrontational(difficult, hostile, irritable, antagonistic, aggressive) |
| controversial(adjective, discord) |
| fighter(noun, adjective) |
| gladiator |
| litigious(adjective, difficult, irritable, discord, turbulent) |
| scrappy(adjective, energetic, antagonistic, aggressive, radical) |