verb:to take aggressive military action against (a place or enemy forces) with weapons or armed force
The general decided to attack the enemy fortress at dawn.
verb:to act against someone or something in a violent, hostile, or harmful way
The dog might attack if it feels threatened.
verb:to criticize someone or something strongly and publicly
The opposition leader attacked the government's new policy.
verb:to begin to deal with (a problem or task) with determination and vigor
She woke up early to attack the pile of paperwork on her desk.
noun:an act of taking aggressive military action against a place or enemy forces
Soldiers were ordered to man the walls against the impending attack.
noun:an instance of strong criticism
The newspaper's attack on the mayor was widely read.
noun:a medical episode in which symptoms of a disease become acute
If you're having an asthma attack, it's really hard to breathe. You hyperventilate.
noun:an organized attempt to breach or damage computer systems, data, or networks
The company hired specialists after detecting a cyber‑attack on its servers.