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alert

alert

297 2.8
A warning that something dangerous or important may happen
  • noun
  • /əˈlɜrt/
translation icon : alerta
  • The government has announced a health alert regarding contaminated food products.
  • email alert
  • an alert system
  • send an alert

And it says fraud alert alias alias.

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Examples

  • We just lost main power, and we've got Class-Three alerts all over the ship.

    Fiction book (1994)
  • All right, the alert is over.

  • Oh, on the low battery alert, yes.

  • If she is, we can put out an alert.

  • Upon violation of the business rule, the alert is sent via email.

    Academic text (2005)
  • "Jane," the nurse said, "we just received an alert from your health monitoring system."

    Academic text (2011)
  • Finally, the website highlights travel warnings and alerts related to short- and long-term events that may impact travel abroad.

    Academic text (2015)
  • The police issued an alert to warn citizens about the approaching storm.

  • She received an alert on her phone about the missing child in the neighborhood.

Synonyms

alarm
vsalert
842 1.0

A device that makes a loud sound to warn or wake people

is a general notice of possible danger, not always loud or immediate
siren
vsalert
259 2.9

A machine that makes a loud wailing sound to warn people

is the general signal that can cover many forms, not only sounds
advisory
vsalert
  • Literature
108 4.3

An official warning that tells the public about possible danger or bad weather

is a general notice that is often shorter and more immediate than formal announcements
notification
vsalert
76 3.3

A message that tells you about something, often sent by email or an app

is specifically a caution about danger rather than general information
heads-up
vsalert
  • Informal
60 4.1

A quick warning that something will happen

is the general caution used in many settings rather than an informal advance note
fire alarm
vsalert
31 1.0

A loud signal that warns people there is a fire or smoke

is the general notice that can apply to many dangers beyond flames
code red
vsalert
  • Jargon
28 6.5

A very serious emergency that needs immediate action

is the general notice that may not always demand instant response
red alert
vsalert
  • Formal
24 4.7

A strong warning that serious danger is coming and people must act now

is a general notice of possible danger, not the highest emergency level
alarm bell
vsalert
7 2.2

A bell that rings to warn people of danger or an emergency

is the broad notice that includes many signal types beyond ringing sounds
warning light
vsalert
7 3.2

A light that turns on in vehicles or machines to show a problem

is the general notice covering different aids, not only illuminated indicators
warning signal
vsalert
5 3.2

A loud sound or flashing light that tells people there is danger

is a general notice that may not be automatic or urgent
forewarning
vsalert
3 5.6

A sign or notice that something bad will happen

is the general notice that may not always come ahead of time
danger signal
vsalert
1 3.7

A sign that something dangerous may happen

is the neutral notice that also covers important but not harmful matters
alarum
vsalert
  • Archaic
1 9.9

A loud sound that warns people there is danger

is the common modern form of notice rather than the older term
warning bell
vsalert
1 3.5

A sign that tells people about a possible problem

is the broader idea of a notice that signals possible danger
code yellow
vsalert
  • Jargon
1 6.8

An alert warning people about a specific emergency, for example bad weather or a missing person

is the general notice about possible danger, not tied to one type
warning
vsalert
1.0

Giving a sign or message that tells people about danger

is about indicating a possible future danger that needs attention
air alert
vsalert
5.5

A warning telling people to go to shelters because an enemy air attack may happen

is the general notice about danger, not limited to military threats
tactical warning
vsalert
  • Specialized
7.4

An alert that tells soldiers about an enemy attack happening right now

is typically a preventive notice about possible events, not a post-event report
prewarning
vsalert
4.4

An advance notice that tells people about a possible danger

is the regular form of notice that can occur at any time, not only before
prenotification
vsalert
7.0

A notice given before an event or change

is the general notice that may also inform during or after events

Antonyms

316 3.9

Not knowing about something or how it works

2 5.4

Not knowing or noticing something

Compounds

25 3.6

A time when people are extra ready and careful because of danger

red alert
  • Formal
24 4.7

A strong warning that serious danger is coming and people must act now

spoiler alert
  • Texting
7 3.9

A warning that someone will tell important story details

1 3.3

A national system that lets officials send emergency warnings on radio and television

5.5

A warning telling people to go to shelters because an enemy air attack may happen

air alert
  • Jargon
6.8

A military state where fighter jets stay ready to take off quickly to respond to a threat

4.4

An official warning about a disease spreading to many countries

A dog trained to notice signs of a seizure and warn or help the person

strip alert
  • Jargon
7.9

A state when planes and their crews are ready to take off immediately for defense

How Urgent

siren
259 2.9
alarm
842 1.0
alert
297 2.8
warning
1.0
notice
126 1.0

Surface Forms

alert singular
alerts plural

Etymology

Alert comes from the Italian phrase all'erta, meaning 'on the watch'. So an alert is a warning that puts you 'on the watch' for danger.