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Quick to notice any unusual and potentially dangerous or difficult circumstances
“He was concentrating intensely and quite alert to what was happening around us.”
Conscious and not asleep
“I stayed alert the whole night thinking about the immense amount of work that still needed to be done.”
Able to think clearly and intellectually
“She remained active and alert despite her old age.”
Able to respond or react quickly
“An alert force of commandos are on hand, ready to be deployed at a moment's notice.”
Conscious or aware of something
Cheerful and lively in nature or character
Alive and experiencing sensation, thought, or feeling
Recovered or reinvigorated
Informed on a given topic or field
Directing a great deal of attention, interest, or activity towards a particular aim
Having or showing an excited feeling that something is about to happen, especially something good
Currently in use or valid
An announcement or signal warning of danger
“I would advise you to heed the alert coming from your malware scanner.”
The state of being watchful for possible danger
“There are more than a dozen guards who are on alert for any rebel activity.”
Slight panic or anxiety
An object that rings, or the sound produced by this object
Security system or warning device for deterring intruders
A melodic sound or tune, like a bell or ring, that alerts or notifies, often from a device or phone
An international distress signal used by shipping and aircraft
A type of unobtrusive and transient pop-up notification used to inform a user of something
The sound of a buzzer or telephone
To provide notice of a potential or current danger or risk
“It is my responsibility to alert my clients about the risks involved.”
To provide information about a person or goods and services to influence others
To sound a horn, siren, or steam whistle
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