aggressiveness

n. (貶)侵略、侵犯、尋釁、(褒)敢作敢為、有進取心、(武器)攻擊性、過分、放肆

學術名詞

• 攻擊性：心理學、動物學、植物學
• 進取性：心理學

英文釋義

1. the quality of being bold and enterprising
2. a feeling of hostility that arouses thoughts of attack
3. a natural disposition to be hostile