aggressive
US /əˈɡres.ɪv/
UK /əˈɡres.ɪv/

1.
agresivo, hostil
ready or likely to attack or confront; characterized by aggression.
:
•
The dog became aggressive when a stranger approached.
El perro se volvió agresivo cuando un extraño se acercó.
•
He has an aggressive personality.
Tiene una personalidad agresiva.
2.
agresivo, enérgico
pursuing one's aims and interests forcefully, sometimes unduly so.
:
•
The company launched an aggressive marketing campaign.
La empresa lanzó una campaña de marketing agresiva.
•
He took an aggressive approach to solving the problem.
Adoptó un enfoque agresivo para resolver el problema.