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to alert

to alert

255 2.3
To warn someone about a possible danger or problem
  • verb
  • /əˈlɜrt/
translation icon : alertar a
  • Please alert me immediately if you see any suspicious activity.
  • alert the public
  • alert readers
  • alert parents

So they absolutely, for two weeks couldn't alert their spouse that they were OK.

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Examples

  • This car will alert you to speed cameras.

  • And a nationwide educational campaign to alert the public to the dangers of shaking was launched.

    Academic text (2011)
  • Better go up and alert security.

  • I must alert the others at once.

  • Do not alert him to my presence.

  • Well, I'll alert the staff and chain up the dogs.

  • Why didn't you alert the Coast Guard?

  • A best practice advisory was implemented to alert nurses if documentation was not up to date.

    Academic text (2013)
  • School counselors can ask teachers and school nurses to alert them to these symptoms should they occur frequently.

    Academic text (2008)
  • After she hung up, I phoned Al Rogoff again to alert him to this new development.

    Fiction book (1992)

Synonyms

to warn
vsto alert
1.0

Tell someone about possible danger so they can be careful

is broader and covers emergencies and general attention needs
to notify
vsto alert
  • Formal
367 3.1

Tell someone about something, often in an official way

is about danger or urgent attention rather than only formal information
to caution
vsto alert
92 3.0

To warn someone about danger or problems

is more general and applies to any need to draw attention
to apprise
vsto alert
  • Formal
22 7.4

To tell someone about news or a change

is focused on danger or urgent issues rather than general formal informing
to forewarn
vsto alert
14 4.8

Tell someone about possible danger before it happens

emphasizes advance notice while the key covers immediate danger notices too
4.3

To warn people about a possible danger or serious problem

is similar but also used for private or individual notices
to ring a warning bell
vsto alert
  • Informal
5.4

Make someone think there may be a problem

is a direct notice rather than an indirect cause of concern

Antonyms

1.0

Choose not to pay attention to someone or something

Phrasal Verbs

28 3.4

To watch carefully so you notice danger or changes

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

to alarm
133 1.9
to alert
255 2.3
to warn
1.0
to notify
  • Formal
367 3.1
to inform
1.0

Surface Forms

alert infinitive
alerted past
alerted past participle
alerting present participle
alerts third person singular

Etymology

Alert comes from the Italian phrase all'erta, meaning 'on the watch'. To alert someone is to put them 'on the watch'—to warn them so they notice and act.