attack (Noun) — (military) an offensive against an enemy (using weapons). ex. "the attack began at dawn"
attack (Noun) — An offensive move in a sport or game. ex. "they won the game with a 10-hit attack in the 9th inning"
attack (Noun) — Intense adverse criticism. ex. "the government has come under attack" ex. "he published an unexpected attack on my work"
attack (Noun) — Ideas or actions intended to deal with a problem or situation. ex. "an attack on inflation" ex. "his plan of attack was misguided"
attack (Noun) — The act of attacking. ex. "attacks on women increased last year"
attack (Noun) — A decisive manner of beginning a musical tone or phrase.
attack (Noun) — A sudden occurrence of an uncontrollable condition. ex. "an attack of diarrhoea"
attack (Noun) — The onset of a corrosive or destructive process (as by a chemical agent). ex. "the film was sensitive to attack by acids" ex. "open to attack by the elements"
attack (Verb) — Launch assault on; begin hostilities or start warfare with. ex. "Hitler attacked Poland on September 1, 1939 and started World War II"
attack (Verb) — Aggressively challenge in speech or writing. ex. "The editors of the left-leaning paper attacked the new House Speaker"
attack (Verb) — Take the initiative and go on the offensive. ex. "The visiting team started to attack" ex. "The Serbs attacked the village at night"
attack (Verb) — Use aggressive force against.
attack (Verb) — Set to work upon; turn one's energies vigorously to a task. ex. "I attacked the problem as soon as I got out of bed"
attack (Verb) — Begin to injure. ex. "The cancer cells are attacking his liver" ex. "Rust is attacking the metal"