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English definition of “aggressive”

aggressive

adjective uk   /əˈɡres.ɪv/ us  

aggressive adjective (ANGRY)

B2 behaving in an angry and violent way towards another person: Men tend to be more aggressive than women. If I criticize him, he gets aggressive and starts shouting.Violent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly

aggressive adjective (DETERMINED)

C1 determined to win or succeed and using forceful action to win or to achieve success: an aggressive election campaign aggressive marketing tactics Both players won their first-round matches in aggressive style.Strong-willed

aggressive adjective (DISEASE)

specialized medical describes a disease or growth that spreads quickly and has little chance of being cured: The more aggressive the cancer, the further and faster it spreads.Cancer

aggressive adjective (TREATMENT)

specialized medical describes a very strong treatment for a serious condition: Brain cancer requires aggressive treatment such as surgery.Cancer
aggressively
adverb uk   /-li/ us  
B2 Small children often behave aggressively. The company is aggressively pursuing new business opportunities. They played more aggressively in the second half.Violent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly
(Definition of aggressive from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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