Attack has a variety of meanings, including:

• In military science, an attack is the aggressive attempt to conquer enemy territory, installations, personnel, or equipment or to deny the enemy the use of territory, installations, personnel, or equipment
• The word attack is used with similar meaning in various games.
• In music, the attack or attack-point is the beginning or onset of a note or event (see interonset interval)
• In audio and radio, attack is the reaction time of an envelope detector, such as in audio level compression or noise gates (the opposite is decay or falloff)
• The word attack is often used to mean criticize or accuse (this usage may have started in newspaper headlines, where "attack" typesets into less text line length than "criticize")
• Attack!, the name of a board game developed by Eagle Games
• Attack (song), a song by the band System of a Down
• Heart attack, a medical term
• Attack No.1, a manga of volleyball
• Attack 25, a TV Quiz by TV Asahi

See also

• warfare
• combat
• defense (military)
• counterattack
• envelope detector