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alarm

alarm

842 1.0
A device that makes a loud sound to warn or wake people
  • noun
  • /əˈlɑrm/
translation icon : alarma
  • That is not to say that alarms are not useful.
  • an alarm clock
  • a false alarm
  • a fire alarm

That is not to say that alarms are not useful.

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Examples

  • Nevertheless, once someone has raised the alarm, the wheels are set in motion and people comply.

    Academic text (1995)
  • The fire alarm went off by itself.

  • The alarm system will reset in 30 seconds.

  • Ring has an award-winning alarm to protect this studio.

  • And then you don't wake up to an alarm and you see how long you sleep.

  • The majority of the country suffered only marginally, although the alarm sirens did have a negative psychological effect.

    Academic text (2015)
  • The fire alarm went off by itself, waking everyone in the building.

  • Please set your alarm for 6 AM so we can catch the early flight.

  • After hearing the alarm, the residents evacuated the building quickly.

Synonyms

alert
vsalarm
297 2.8

A warning that something dangerous or important may happen

is broader, covering devices or sounds that warn or wake people
siren
vsalarm
259 2.9

A machine that makes a loud wailing sound to warn people

is a more general name for any device or signal that warns people
horn
vsalarm
183 1.0

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

is the general term for devices or signals that give warnings or wake people
buzzer
vsalarm
104 1.0

A small machine that makes a low, repeating sound to tell people something

is a wider concept used for many loud warning or waking signals
bell
vsalarm
89 1.0

A device that makes a sound to get someone's attention

is the broader category of devices or signals meant to warn or wake
alarm clock
vsalarm
42 1.0

A clock that wakes you at a set time by making a sound

is used for danger warnings as well as waking people
alarm system
vsalarm
36 2.5

A group of devices that warns you automatically about danger like fire or a break-in

is usually a single device or simple signal rather than a combined setup
fire alarm
vsalarm
31 1.0

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

is a general label for any device or signal that warns people
smoke alarm
vsalarm
13 2.2

A device that makes a loud noise when it finds smoke to warn people

is a broad term covering all devices or signals that warn or wake
burglar alarm
vsalarm
9 3.0

A device that makes a loud noise when someone breaks into a house or shop

is a broader term that includes all kinds of warning or wake devices
alarm bell
vsalarm
7 2.2

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

is any device or signal that warns or wakes, not only ringing types
warning signal
vsalarm
5 3.2

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

is the general notion of any device or signal that warns or wakes
alarum
vsalarm
  • Archaic
1 9.9

A loud sound that warns people there is danger

is the common modern word for any device or signal that warns
warning device
vsalarm
1 3.7

A tool that makes a loud sound or bright light to tell people there is danger

is a specific example of that general idea, often a single loud signal
danger signal
vsalarm
1 3.7

A sign that something dangerous may happen

is focused more on devices or sounds that actively warn or wake people
notifier
vsalarm
1 3.9

A person, device, or app that tells people about something important

is the specific physical or audible device used to warn or wake people
warning bell
vsalarm
1 2.7

A bell that rings to warn people of danger

is the wider concept for any device or signal that warns or wakes
auto-alarm
vsalarm
  • Specialized
1 7.1

A radio on a ship that automatically rings an alarm when it gets a distress signal

is the general idea of any device or signal that warns people
tocsin
vsalarm
  • Archaic
9.9

A bell or loud sound that warns people of danger

is the general modern term for any warning device or signal
alerter
vsalarm
  • Specialized
4.6

A person or machine that warns people about danger and problems

is mainly the physical device or sound used to warn or wake people

Antonyms

660 2.0

A period with no sound or speech

Compounds

42 1.0

A clock that wakes you at a set time by making a sound

36 2.5

A group of devices that warns you automatically about danger like fire or a break-in

31 1.0

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

23 3.5

A warning that something bad is happening when it is not

13 2.2

A device that makes a loud noise when it finds smoke to warn people

A device that makes a loud noise when someone breaks into a house or shop

7 2.2

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

auto-alarm
  • Specialized
1 7.1

A radio on a ship that automatically rings an alarm when it gets a distress signal

How Loud

siren
259 2.9
alarm
842 1.0
bell
221 1.0
to chime
61 3.0

Surface Forms

alarm singular
alarms plural

Etymology

Alarm began as a battle cry from Old Italian all'arme, which means 'to the arms!' — a shout to grab your weapon and get ready. So a modern alarm is a warning signal or device that tells people there is danger or wakes them up.