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To fall upon with force; to assail, as with force and arms; to assault. "Attack their lines." Dryden.

Capable of being attacked.

One who attacks.

An onset, attack, or fit of disease. The first access looked like an apoplexy. Burnet.

The act of suddenly disturbing any one; an assault or attack. [Obs.]

A furious onset or attack. [Obs.] Spenser.

mmit the first act of hostility or offense; to begin a quarrel or controversy; to make an attack; -- with on.

The first attack, or act of hostility; the first act of injury, or first act leading to a war or a controversy; unprovoked attack; assault; as, a war of aggression. "Aggressions of power." Hallam

Tending or disposed to aggress; characterized by aggression; making assaults; unjustly attacking; as, an aggressive policy, war, person, nation. -- Ag*gres"sive*ly, adv. -- Ag*gres"sive*ness, n.

The person who first attacks or makes an aggression; he who begins hostility or a quarrel; an assailant. The insolence of the aggressor is usually proportioned to the tameness of the sufferer. Ames.

A sudden attack; disturbance; broil. [R.] "These home alarms." Shak. Thy palace fill with insults and alarms. Pope.

An alarm from a real or threatened attack; a sudden attack; also, a bugle sound to give warning. "We have had an alert." Farrow. On the alert, on the lookout or watch against attack or danger; ready to act.

A lying in a wood, concealed, for the purpose of attacking an enemy by surprise. Hence: A lying in wait, and concealed in any situation, for a like purpose; a snare laid for an enemy; an ambush.

A disposition or arrangement of troops for attacking an enemy unexpectedly from a concealed station. Hence: Unseen peril; a device to entrap; a snare. Heaven, whose high walls fear no assault or siege Or ambush from the deep. Milton.

Military stores, or provisions of all kinds for attack or defense. [Obs.]

out in a state of frenzy, as the Malays sometimes do under the influence of "bhang," and attack every one that comes in the way; to assail recklessly and indiscriminately. Satire's my weapon, but I'm too discreet To run amuck, and tilt at all I meet. Pope.

A species of epileptic attack, originating from gastric disorder.

one of several fungus diseases, caused by parasitic species of the series Melanconiales, attacking the bean, grape, melon, cotton, and other plants. In the case of the grape, brown concave spots are formed on the stem and fruit, and the disease is called bird's-eye rot.

A tap or stamp of the foot as a warning of intent to attack; -- called also attack.

or written; to inform; -- followed by of; as, we will apprise the general of an intended attack; he apprised the commander of what he had done.