ag‧gres‧sive S3 / əɡresɪv / 形容词

1 behaving in an angry threatening way, as if you want to fight or attack someone :

Jim’s voice became aggressive.

Teachers apparently expect a certain amount of aggressive behaviour from boys.

2 very determined to succeed or get what you want :

A successful businessman has to be aggressive.

an aggressive marketing campaign

3 an aggressive disease spreads quickly in the body :

an aggressive form of breast cancer

— aggressively 副词

— aggressiveness 名词 [不可数名词]