definitions
  • synonyms

silent alarm


noun

an alarm that alerts security personnel or the police without the knowledge of the intruder or criminal whose presence triggers it: The silent alarm set off a flashing light at the police station.
any visual rather than audible alarm.

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Nearby words

silenced, silencer, silene, silenos, silent, silent alarm, silent area, silent auction, silent barter, silent butler, silent cop
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019