aggressive
US /əˈɡres.ɪv/
UK /əˈɡres.ɪv/
1.
ready or likely to attack or confront; characterized by aggression.
:
•
The dog became aggressive when a stranger approached.
•
He has an aggressive personality.
2.
pursuing one's aims and interests forcefully, sometimes unduly so.
:
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The company launched an aggressive marketing campaign.
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He took an aggressive approach to solving the problem.