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English definition of “attack”

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attack

verb  /əˈtæk/ us  

attack verb (HURT)

[I/T] to try to hurt or defeat someone or something using violence: [T] Two campers were attacked by a bear last night. [I] Most wild animals won't attack unless they are provoked. [I/T] If a disease or a chemical attacks something, it damages it: [T] The stress hormone cortisol attacks the immune system.

attack verb (CRITICIZE)

[T] to criticize someone or something strongly: Critics have attacked her ideas as antidemocratic. In TV ads, he attacked his opponent’s record.
attacker
noun [C]  /əˈtæk·ər/ us  

attack

noun [C/U]  /əˈtæk/ us  

attack noun [C/U] (HURT)

An attack is also a sudden, short period of illness, or a sudden feeling that you cannot control: [C] an asthma attack [C] How do you let your kids go without having anxiety attacks?

attack noun [C/U] (CRITICISM)

An attack is also strong criticism of someone or something: [U] The more he speaks out, the more he comes under attack.
(Definition of attack from the Cambridge Academic Content Dictionary © Cambridge University Press)
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