| 1. | characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country. |
| 2. | making an all-out effort to win or succeed; competitive: an aggressive basketball player. |
| 3. | vigorously energetic, esp. in the use of initiative and forcefulness: an aggressive salesperson. |
| 4. | boldly assertive and forward; pushy: an aggressive driver. |
| 5. | emphasizing maximum growth and capital gains over quality, security, and income: an aggressive mutual fund. |
| 6. | Medicine/Medical.
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aggressive
aggressive ag·gres·sive (ə-grěs'ĭv)
adj.
Inclined to behave in a hostile fashion.
Tending to spread quickly, as a tumor; fast-growing.