aggressive

adjective

• Characterized by or displaying initiative and forcefulness.
• (of a disease or harmful substance) rapidly developing or advancing.
• Using energy and determination to achieve a goal
• Ready or likely to attack or confront; characterized by or resulting from aggression.
• Ready or likely to attack or confront; characterized by or resulting from aggression.
• Vigorous and energetic, especially in business or marketing.
• (of a disease or harmful substance) rapidly growing or spreading; invasive.
• Behaving in a hostile and threatening way