This is a noun meaning a violent action against someone or something, often in war or fighting situations.
The army made an attack early morning.
The city was under attack for days.
Here, attack means to criticize or say bad things about someone or their ideas. It is not about physical harm, but about words or ideas.
The reporter attacked the politician in the article.
She attacks ideas she does not like.
This meaning is about a sudden start of illness or pain in the body. It is used for health problems that happen fast and strongly.
He attacks with chest pain during the night.
The patient was attacked by a severe fever.
Here, attack means to start doing something quickly and with effort, often to fix or solve something.
We can attack the problem together soon.
She attacked the task with great energy.
This meaning is about a strong negative comment or argument against something or someone, often in words or writing.
The article was an attack on the new policy.
Her speech included an attack on the government.