To be aggressive is to exhibit behaviors intended to cause pain or harm against members of one's own species, or towards another species. Predatory behavior of members of one species towards another species is also described as "aggressive." To exhibit aggressive behavior towards members of another species is common, such as in these examples: "Lions are aggressive hunters of antelopes," and "Eagles are aggressive hunters of small mammals." There are also other uses of the words "aggressive" and "aggression", such as in describing chemical reactions, bacterial or viral infections, and cancers or tumors.
Aggressive may also refer to:
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