aggressive /əˈɡresiv/ adj.1.侵略的，好斗的：an aggressive man好与人发生口角的人［考句］Animals can become unusually aggressive when they are upset by a sudden environmental change.当动物被一种环境突然变化惊扰的时候，就会表现出异乎寻常的进攻性。2.活跃有为的，积极进取的：His manner is slightly aggressive.他的态度有些自负。