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Alert synonyms

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On one's guard; cautious, suspicious, etc.
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  1. On one's guard; cautious, suspicious, etc.
  2. Cautious of danger; carefully watching and guarding against deception, artifices, and dangers; timorously or suspiciously prudent; circumspect; scrupulous; careful.
  3. On guard; watchful:
  1. Vigilant, alert
  2. (Fencing) The starting position of a fencing bout; en garde.
Alert; watchful.
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  1. Alert; watchful.
  2. Completely awake.
Comparatively high on the scale of brightness:
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  1. Comparatively high on the scale of brightness:
  2. Full of promise and hope; auspicious:
  3. Happy; cheerful:
Handsome, convenient, nice, etc.
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  1. Handsome, convenient, nice, etc.
  2. Quick in thinking or learning; intelligent, ingenious, quick-witted, witty, facile, etc.
  3. Mentally quick and original; bright:
Designating a reference source designed to provide basic or essential information in a format that is easy to use
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  1. Designating a reference source designed to provide basic or essential information in a format that is easy to use
  2. Moving or functioning rapidly and energetically; speedy:
  3. Perceiving or responding with speed and sensitivity; keen:
Quick, acute, or penetrating in perception or intellect
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  1. Quick, acute, or penetrating in perception or intellect
  2. Sudden and brilliant or dazzling:
  3. Brilliant; intense
The sound, image, or message transmitted or received by means of telecommunications.
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  1. The sound, image, or message transmitted or received by means of telecommunications.
  2. (Football) Code words, numbers, etc. called out, esp. by the quarterback, to indicate which play or defense to use next
  3. A sign given by gesture, sound or call, flashing light, etc.
A device that is used to warn of danger by means of a sound or signal:
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  1. A device that is used to warn of danger by means of a sound or signal:
  2. The sounding mechanism of an alarm clock:
  3. The bell, buzzer, etc. of an alarm clock
The action of the verb warn; an instance of warning someone.
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  1. The action of the verb warn; an instance of warning someone.
  2. A statement telling of or an indication providing evidence of impending danger, difficulty, or misfortune:
  3. A cautionary or deterrent example:
To give or inspire with some specific quality or character
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  1. To give or inspire with some specific quality or character
  2. (--- Obs.) To give form to
  3. To give knowledge of something to; tell; acquaint with a fact, etc.
To advise or caution (someone) about a course of action:
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  1. To advise or caution (someone) about a course of action:
  2. To give warning
  3. To tell (a person) of a danger, coming evil, misfortune, etc.; put on guard; caution
To make known or communicate (information) by signals
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  1. To make known or communicate (information) by signals
  2. A fluctuating quantity or impulse whose variations represent information. The amplitude or frequency of voltage, current, electric field strength, light, and sound can be varied as signals representing information.
  3. To cause an effect in (a cell) by the release of a chemical, such as a neurotransmitter or hormone.
  1. Alert and paying close attention; watchful.
  2. Having or showing keen perceptiveness; perceptive:
  3. (Judaism) Designating or of a person who adheres strictly to traditional religious practices
Having the eyes open or wide open; awake, aware, watchful, amazed, etc.
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  1. Having the eyes open or wide open; awake, aware, watchful, amazed, etc.
  2. Done with the eyes open
  3. Watchful and alert.
On the alert, as for danger or error; watchful.
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  1. On the alert, as for danger or error; watchful.
  2. Staying watchful and alert to danger or trouble
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  1. Awake rather than sleeping
  2. Keeping awake; not sleeping
  3. Vigilant and alert; watchful
On one's guard; cautious, suspicious, etc.
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  1. On one's guard; cautious, suspicious, etc.
  2. Cautious of danger; carefully watching and guarding against deception, artifices, and dangers; timorously or suspiciously prudent; circumspect; scrupulous; careful.
  3. On guard; watchful:
(Archaic) Not sleeping; awake.
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  1. (Archaic) Not sleeping; awake.
  2. Observant, vigilant and aware
  3. Closely observant or alert; vigilant:
Completely awake.
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  1. Completely awake.
  2. Alert; watchful.
Mentally quick; smart, clever, witty, etc.
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  1. Mentally quick; smart, clever, witty, etc.
  2. Full of promise and hope; auspicious:
  3. Happy; cheerful:
Quick in thinking or learning; intelligent, ingenious, quick-witted, witty, facile, etc.
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  1. Quick in thinking or learning; intelligent, ingenious, quick-witted, witty, facile, etc.
  2. Handsome, convenient, nice, etc.
  3. Mentally quick and original; bright:
Having or showing an alert mind or high intelligence; bright, perceptive, informed, clever, wise, etc.
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  1. Having or showing an alert mind or high intelligence; bright, perceptive, informed, clever, wise, etc.
  2. Showing sound judgment and rationality:
  3. Having or using intelligence; rational
Strongly felt or perceived; intense; strong
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  1. Strongly felt or perceived; intense; strong
  2. Sharp; vivid; strong:
  3. Sharp and quick in seeing, hearing, thinking, etc.; acute
Moving or functioning rapidly and energetically; speedy:
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  1. Moving or functioning rapidly and energetically; speedy:
  2. Designating a reference source designed to provide basic or essential information in a format that is easy to use
  3. Perceiving or responding with speed and sensitivity; keen:
Alternative spelling of quick-witted.
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  1. Alternative spelling of quick-witted.
  2. Mentally keen, alert, sharp, agile, and nimble.
  3. Mentally alert and sharp; keen.
(Informal) Attractive or stylish:
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  1. (Informal) Attractive or stylish:
  2. Sudden and brilliant or dazzling:
  3. Brilliant; intense
Clever, keen of intellect, swift of thought.
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  1. Clever, keen of intellect, swift of thought.
  2. Alternative form of sharp-witted.
  3. Having or showing keen intelligence or discernment; thinking quickly and effectively
Amusingly clever; witty:
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  1. Amusingly clever; witty:
  2. Energetic or quick in movement:
  3. Having or showing intelligence; bright.
A device that is used to warn of danger by means of a sound or signal:
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  1. A device that is used to warn of danger by means of a sound or signal:
  2. The sounding mechanism of an alarm clock:
  3. The bell, buzzer, etc. of an alarm clock
  1. A danger signal or warning.
  2. A warning or alarm, especially a call to arms.
  3. (Archaic) alarm
A warning; an omen.
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  1. A warning; an omen.
  2. Any alarm, or sound of warning
  3. An alarm bell
Something spoken or written that is intended to warn.
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  1. Something spoken or written that is intended to warn.
  2. A statement telling of or an indication providing evidence of impending danger, difficulty, or misfortune:
  3. A cautionary or deterrent example:
To inform or remind, by way of a warning
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  1. To inform or remind, by way of a warning
  2. To counsel (another) against something to be avoided or warn (that something is dangerous):
  3. To caution against specific faults; warn
To warn of approaching danger
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  1. To warn of approaching danger
  2. To equip with or protect by an alarm:
  3. To fill with alarm or anxious concern.
To urge to be cautious; warn; admonish
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  1. To urge to be cautious; warn; admonish
  2. To give a warning or admonishment:
  3. To warn or admonish:
To warn in advance.
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  1. To warn in advance.
  2. To warn beforehand
To caution about certain acts; admonish
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  1. To caution about certain acts; admonish
  2. To notify or make aware in advance of something, especially of possible danger or misfortune:
  3. To tell (a person) of a danger, coming evil, misfortune, etc.; put on guard; caution
Find another word for alert. In this page you can discover 53 synonyms, antonyms, idiomatic expressions, and related words for alert, like: wary, on-guard, wide-awake, bright, clever, quick, sharp, signal, alarm, warning and inform.