Dictionary

aggressor

noun ag·gres·sor \ə-ˈgre-sər\

: a person or country that attacks another : a person or country that starts a fight or war

Full Definition of AGGRESSOR

:  one that commits or practices aggression

Examples of AGGRESSOR

  1. Each country accused the other of being the aggressor.
  2. <these pocket-size states had formed an alliance to deter potential aggressors>

First Known Use of AGGRESSOR

1646
AGGRESSOR Defined for Kids

aggressor

noun ag·gres·sor \ə-ˈgre-sər\

Definition of AGGRESSOR for Kids

:  a person or a country that engages in hostile action without reasonable cause
Medical Dictionary

aggressor

noun ag·gres·sor \ə-ˈgres-ər\

Medical Definition of AGGRESSOR

:  one who exhibits aggression

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