pac·​i·​fi·​er | \ ˈpa-sə-ˌfī(-ə)r How to pronounce pacifier (audio) \

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 Don’t let children put their thumbs, fingers or objects (like pacifiers) in their mouths. Sonja Haller, USA TODAY, "New data shows petting zoos crawl with superbugs, potentially putting more kids at risk," 2 July 2019 These include: Baby food and formula Diapers, wipes, and baby cream Portable crib and baby blankets Infant carrier Bottles, pacifiers, etc. NBC News, "What to have on hand to be ready if a natural disaster strikes," 28 Aug. 2019 Baby gear: Diapers, pacifiers, nursing nipples, infant formula, high chair and babies clothes. Kelly Tyko, USA TODAY, "When new, higher tariffs are scheduled to start on Chinese imports and what may cost more," 23 Aug. 2019 Also being accepted: Diapers, wipes, bottles, pacifiers and other infant-support items. Marc Bona,, "Wine calendar: Autumn Wine Affair, Taste in Little Italy, Shaker Wines’ Amarone, more," 17 Sep. 2019 The caregiver placed him on his side in an adult bed with a pacifier. Lois K. Solomon,, "Illegal day care was tending to baby boy who died, state says," 11 Sep. 2019 More mundane items are also included—pipes, rags, pacifiers, and so on. Ephrat Livni, Quartz, "These China-made goods will soon cost more thanks to Trump’s tariffs," 31 Aug. 2019 There is the innocuous-sounding ciuccio, which literally means a baby’s pacifier. Joseph Loconte, National Review, "An Insider’s Guide to Italian Insults," 16 Aug. 2019 Smartphones and tablets are their digital pacifiers, companions and entertainers. Parul Agrawal, Quartz India, "In India, toddlers are starting to write computer codes before they can talk," 11 July 2019

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

3 Nov 2019

Time Traveler for pacifier

The first known use of pacifier was in 1533

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How to pronounce pacifier (audio)

English Language Learners Definition of pacifier

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


pac·​i·​fi·​er | \ ˈpas-ə-ˌfī(-ə)r How to pronounce pacifier (audio) \

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

Comments on pacifier

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


meddlesome, informal, or unofficial

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