[ pas-uh-fahy-er ]
/ ˈpæs əˌfaɪ ər /


a person or thing that pacifies.
a rubber or plastic device, often shaped into a nipple, for a baby to suck or bite on.

Origin of pacifier

First recorded in 1525–35; pacify + -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pacifier

British Dictionary definitions for pacifier


/ (ˈpæsɪˌfaɪə) /


a person or thing that pacifies
US and Canadian a baby's dummy or teething ring
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 pacifier



"one who pacifies or appeases," 1530s, agent noun from pacify. The meaning "nipple-shaped device for babies" is first recorded 1904.

Online Etymology Dictionary, © 2010 Douglas Harper