• synonyms


See more synonyms for searchlight on Thesaurus.com
  1. a device, usually consisting of a light and reflector, for throwing a beam of light in any direction.
  2. a beam of light so thrown.
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Origin of searchlight

First recorded in 1880–85; search + light1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for searchlight

light, flashlight, beacon, torch, searchlight, gaslight, strobe, stroboscope

Examples from the Web for searchlight

Contemporary Examples of searchlight

Historical Examples of searchlight

British Dictionary definitions for searchlight


  1. a device, consisting of a light source and a reflecting surface behind it, that projects a powerful beam of light in a particular direction
  2. the beam of light produced by such a device
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for searchlight


also search-light, 1882, from search (v.) + light (n.).

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Online Etymology Dictionary, © 2010 Douglas Harper