To begin to affect; to act upon injuriously or destructively; to begin to decompose or waste.
To bat aggressively, so as to score runs quickly.
To aim balls at the batsman’s wicket.
To aggressively challenge a person, idea, etc., with words (particularly in newspaper headlines, because it typesets into less space than "criticize" or similar).
(Of a chemical species) To approach a chemical species or bond in order to form a bond with it.
To apply violent force to someone or something.
To set a field, or bowl in a manner designed to get wickets.
To accelerate quickly in an attempt to get ahead of the other riders.
To move forward in an active attempt to score a point, as opposed to trying not to concede.
To deal with something in a direct way; to set to work upon.
Any contact with the ball other than a serve or block which sends the ball across the plane of the net.
The amount of time it takes for the volume of an audio signal to go from zero to maximum level (e.g. an audio waveform representing a snare drum hit would feature a very fast attack, whereas that of a wave washing to shore would feature a slow attack).
An attempt to detract from the worth or credibility of, a person, position, idea, object, or thing, by physical, verbal, emotional, or other assault.
The three attackmen on the field or all the attackmen of a team.
A time in which one attacks; the offence of a battle.
The beginning of active operations on anything.
The sudden onset of a disease or condition.
An attempt to cause damage, injury to, or death of opponent or enemy.
Collectively, the bowlers of a cricket side.
An attempt to exploit a vulnerability in a computer system.
The onset of a musical note, particularly with respect to the strength (and duration) of that onset.
An active episode of a chronic or recurrent disease.
To attend to dangers to or regarding.
To mind, attend, or guard.
To be wary or cautious of.
To serve the purpose of a watchman by floating properly in its place.
To be vigilant or on one's guard.
To look at, see, or view for a period of time.
To remain awake with a sick or dying person; to maintain a vigil.
To observe over a period of time; to notice or pay attention.
To act as a lookout.
A portable or wearable timepiece.
The act of guarding and observing someone or something.
A period of wakefulness between the two sleeps of a biphasic sleep pattern (the dead sleep or first sleep and morning sleep or second sleep): the first waking.
The post or office of a watchman; also, the place where a watchman is posted, or where a guard is kept.
A particular time period when guarding is kept.
A person or group of people who guard.
A period of time on duty, usually four hours in length; the officers and crew who tend the working of a vessel during the same watch. (FM 55–501).
The act of seeing, or viewing, for a period of time.
A group of sailors and officers aboard a ship or shore station with a common period of duty: starboard watch, port watch.