aggression

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noun ag·gres·sion \ə-ˈgre-shən\

Definition of aggression

  1. 1 :  a forceful action or procedure (such as an unprovoked attack) especially when intended to dominate or master

  2. 2 :  the practice of making attacks or encroachments; especially :  unprovoked violation by one country of the territorial integrity of another <warned that any act of aggression could start a war>

  3. 3 :  hostile, injurious, or destructive behavior or outlook especially when caused by frustration <Aggression is often the expression of pent-up rage.>

Examples of aggression in a sentence

  1. He has a lot of pent-up aggression.

  2. behavior that is likely to provoke aggression

  3. dangerous dogs showing aggression toward people

  4. The government says that it will view any attempt to fly over its territory as an act of aggression.

Origin and Etymology of aggression

Latin aggression-, aggressio attack, from aggredi to attack, from ad- + gradi to step, go — more at grade


First Known Use: 1611


AGGRESSION Defined for English Language Learners

aggression

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noun ag·gres·sion \ə-ˈgre-shən\

Definition of aggression for English Language Learners

  • : angry or violent behavior or feelings

  • : hostile action against another country, government, etc.


AGGRESSION Defined for Kids

aggression

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noun ag·gres·sion \ə-ˈgre-shən\

Definition of aggression for Students

  1. 1 :  angry or violent behavior or feelings <Young children must learn to use words rather than physical aggression.>

  2. 2 :  hostile action made without reasonable cause <military aggression>


Medical Dictionary

aggression

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noun ag·gres·sion \ə-ˈgresh-ən\

Medical Definition of aggression

  1. :  hostile, injurious, or destructive behavior or outlook



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