Meanings
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1
noun
The act of protecting someone or something from attack or harm.
The dog growled in defense of its owner.
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2
noun
A country's military and the action of protecting it from enemies.
The government spends billions on national defense each year.
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3
noun
An argument given to support or justify something.
She spoke up in defense of her friend.
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4
noun
In sports, the players or efforts that try to stop the other team from scoring.
Their strong defense kept the other team from scoring all night.
Thesaurus
Common collocations
Etymology
From Middle English defens, defense, from Old French defens, defense, from Late Latin dēfēnsa (“protection”). Displaced native Old English bewering. The verb is from the noun.
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