pac·​i·​fi·​er | \ˈpa-sə-ˌfī(-ə)r \

Definition of pacifier 

1 : one that pacifies

2 : a usually nipple-shaped device for babies to suck or bite on

Examples of pacifier in a Sentence

Recent Examples on the Web

Do not take toys, pacifiers, cups, baby bottles, strollers or similar items into pig areas. Michelle Gant, Fox News, "Michigan county fair attendees test positive for rare strain of swine flu," 13 Aug. 2018 After the race, the victors celebrate by sucking on pacifiers or drinking cheap wine from baby bottles to symbolize rebirth. Dwight Garner, New York Times, "The Palio di Siena: A Survivor’s Tale," 16 Apr. 2018 Sure, not all babies are into pacifiers, and that's totally fine. Korin Miller, SELF, "Why Nicky Hilton Has a ‘Strict’ No Pacifier Rule for Her Daughters," 20 Apr. 2018 In years past, garbage removed has ranged from fireworks to glow sticks to underwear to cigarette butts to pacifiers. Joshua Emerson Smith,, "Surfrider, volunteers prepare for post-Fourth of July beach cleanup," 3 July 2018 Offer a pacifier without a cord or clip once breastfeeding has been established, generally by two to four weeks of age. Rebeca Kimsey Markovich, M.d., miamiherald, "Tips for keeping babies safe while they're sleeping," 2 July 2018 Avoid taking toys, pacifiers, cups, bottles, strollers or similar items into pig barns and show arenas. Emma Kate Fittes, Indianapolis Star, "Indiana resident catches rare form of flu following exposure to pigs at a county fair," 1 July 2018 In the infant business, Newell’s Graco, a major player in strollers, helped Jarden’s Nuk line of pacifiers and bottles gain entry into big retailers. Sharon Terlep, WSJ, "A Megadeal Joined Sharpie Markers and Crock-Pots. What Could Go Wrong? A Lot," 2 May 2018 From holding me correctly as a baby to whether or not to give me a pacifier. Charlie Coyne (age 2), Good Housekeeping, "An Ode to The Greatest Mom Who Has Ever Lived™," 11 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pacifier.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of pacifier

1533, in the meaning defined at sense 1

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Statistics for pacifier

Last Updated

17 Nov 2018

Look-up Popularity

Time Traveler for pacifier

The first known use of pacifier was in 1533

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More Definitions for pacifier



English Language Learners Definition of pacifier

: a rubber object shaped like a nipple for babies to suck or bite on


pac·​i·​fi·​er | \ˈpas-ə-ˌfī(-ə)r \

Medical Definition of pacifier 

1 : a usually nipple-shaped device for babies to suck or bite on

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More from Merriam-Webster on pacifier

Rhyming Dictionary: Words that rhyme with pacifier

Spanish Central: Translation of pacifier

Nglish: Translation of pacifier for Spanish Speakers

Britannica English: Translation of pacifier for Arabic Speakers

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What made you want to look up pacifier? Please tell us where you read or heard it (including the quote, if possible).


the figure or shape of a crescent moon

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