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

Nearby words

  1. pacificate,
  2. pacification,
  3. pacificatory,
  4. pacificism,
  5. pacifico,
  6. pacifism,
  7. pacifist,
  8. pacifistic,
  9. pacify,
  10. pacing catheter

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



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