Adjective: aggressive u'gre-siv
- Having or showing determination and energetic pursuit of your ends
"he was aggressive and imperious; positive in his convictions"; "aggressive drivers"; "an aggressive businessman"; "an aggressive basketball player"
- Characteristic of an enemy or one eager to fight
"aggressive acts against another country";
- belligerent, chippy [N. Amer, informal]
- Tending to spread quickly
"an aggressive tumour";
- fast-growing, strong-growing
See also: assertive, battleful [archaic], bellicose, combative, competitive, hard-hitting, high-pressure, hostile, invasive, in-your-face [informal], militant, obstreperous, offensive, predatory, pugnacious, rapacious, raptorial, ravening, rough, scrappy, self-asserting, self-assertive, truculent, vulturine, vulturous
Antonym: nonaggressive
Encyclopedia: Aggressive