aggressive

1. Inclined to behave in a hostile fashion.
2. Assertive, bold, and enterprising: an aggressive young executive.
3. Intense or harsh, as in color.
4. Fast growing; tending to spread quickly: an aggressive tumor.

Ag*gres"sive (&?;), a. [Cf. F. agressif.]

Tending or disposed to aggress; characterized by aggression; making assaults; unjustly attacking; as, an aggressive policy, war, person, nation. -- Ag*gres"sive*ly, adv. -- Ag*gres"sive*ness, n.

No aggressive movement was made.
Macaulay.

© Webster 1913