alarm clock

See more synonyms for alarm clock on Thesaurus.com

Origin of alarm clock

First recorded in 1690–1700
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for alarm clock

alarm

Examples from the Web for alarm clock

Historical Examples of alarm clock


British Dictionary definitions for alarm clock

alarm clock

noun
  1. a clock with a mechanism that sounds at a set time: used esp for waking a person up
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