#aggressive

• Aggressive — Manifesting a hostile, violent, or attack-prone behavior; quarrelsome, combative, offensive, or provocative. Broadly, the term describes an intrusive attitude, an extremely dynamic and persistent business strategy, or the rapid and destructive evolution of a medical condition or a corrosive chemical substance.
• Aggressiveness — A character trait, psychological state, or native/acquired destructive tendency, manifested by the inclination to attack, use violence, or impose dominance over others. In ethology, it represents an instinctive biological survival mechanism used by animals to defend territory, obtain food, or establish group hierarchy.
• Anaplastic — Pertaining to or characterized by anaplasia; exhibiting a total or partial loss of cellular differentiation and normal structural orientation within a tissue. In oncology, the term describes highly aggressive malignant tumors (such as anaplastic thyroid carcinoma or anaplastic astrocytoma), whose cells have reverted to a primitive, embryonic stage, displaying a very high division rate and an increased resistance to standard treatments.
• Incited — Having been incited, egged on, or urged to attack or launch an aggressive action; (about animals) driven to attack following a command; (figuratively, about people) manipulated or instigated to act with hostility, hatred, or violence against someone.