aggressive
Definitions
Ready or likely to attack or confront; characterized by aggression.
Pursuing one's aims and interests forcefully, energetically, or competitively.
Growing or spreading rapidly and uncontrollably.
Examples
The salesperson used an aggressive strategy to close the deal quickly.
The dog became aggressive when a stranger approached its territory.
She took an aggressive approach to solving the complex problem.
Synonyms
assertive hostile combative belligerent forceful pushy confrontational