silent alarm: meaning, definition, pronunciation and examples
B2Neutral to technical
Quick answer
What does “silent alarm” mean?
A security alarm that alerts authorities or security personnel without producing an audible sound on the premises, typically to avoid alerting an intruder.
Audio
Pronunciation
Definition
Meaning and Definition
A security alarm that alerts authorities or security personnel without producing an audible sound on the premises, typically to avoid alerting an intruder.
Any discreet alert or signal, often digital, that notifies a specific person or group of a problem without causing a general disturbance.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The concept and terminology are identical.
Connotations
Identical in both varieties.
Frequency
Slightly more frequent in American English due to higher marketing prevalence of home security systems, but the term is standard in both.
Grammar
How to Use “silent alarm” in a Sentence
The [security guard] activated the silent alarm.The [bank] is equipped with a silent alarm.A silent alarm [was sent] to the police.The system [triggered] a silent alarm.Vocabulary
Collocations
Usage
Meaning in Context
Business
Refers to discreet alerts for IT system failures or security breaches sent to administrators.
Academic
Used in criminology and security studies to discuss non-audible deterrent systems.
Everyday
Commonly understood as a button in banks or shops pressed during a robbery.
Technical
In electronics and computing, a software or hardware-triggered notification without user interface disruption.
Watch out
Common Mistakes When Using “silent alarm”
- Using 'silent alarm' to mean a regular alarm clock with no sound (that's a 'vibrating alarm').
- Confusing 'silent alarm' with 'smoke alarm'.
FAQ
Frequently Asked Questions
No, it is silent only at the location of the trigger. It sends a signal to a remote monitoring station or sounds an alarm elsewhere.
Yes, many security apps can send silent panic alerts with your location to pre-set contacts.
It allows for discreet alerting, preventing an intruder from knowing they have been detected, which can increase the chance of their capture.
Yes, it is a fixed compound noun where 'silent' functions as an adjective modifying 'alarm', but the combination has a specific technical meaning.
A security alarm that alerts authorities or security personnel without producing an audible sound on the premises, typically to avoid alerting an intruder.
Silent alarm is usually neutral to technical in register.
Silent alarm: in British English it is pronounced /ˈsaɪlənt əˈlɑːm/, and in American English it is pronounced /ˈsaɪlənt əˈlɑrm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “The silent alarm has gone off.”
Learning
Memory Aids
Mnemonic
Think of a librarian saying 'Shhh!' while secretly pressing a button under the desk to call for help. Silent = no sound, Alarm = call for help.
Conceptual Metaphor
A WARNING THAT WHISPERS.
Practice
Quiz
In which scenario is a 'silent alarm' LEAST likely to be used?