pacifier

noun

pac·​i·​fi·​er ˈpa-sə-ˌfī(-ə)r 

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

Tove wore a pair of pale pink shorts and a white T-shirt, while her pacifier lay next to her stomach. —Kayla Grant, People.com, 15 June 2025

In the darkness, the pacifier's button and shield resembled an eyeball, making Blacklock mistake it for something gruesome. —Daniella Gray, MSNBC Newsweek, 19 May 2025

Intervention strategies Parents in the survey listed a wide range of strategies to help end their child’s use of a pacifier and thumb sucking. —Kameryn Griesser, CNN Money, 19 May 2025

Screen time should be purposeful and intentional, not just a digital pacifier. —Annabelle Canela, Parents, 18 Apr. 2025

Word History

First Known Use

1533, in the meaning defined at sense 1

Rhymes for pacifier

• amplifier
• clarifier
• classifier
• gasifier
• magnifier
• modifier
• multiplier
• occupier
• purifier
• qualifier
• quantifier
• rectifier

Kids Definition

pacifier

noun

pac·​i·​fi·​er ˈpas-ə-ˌfī(-ə)r 

1

: one that pacifies

2

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

Medical Definition

pacifier

noun

pac·​i·​fi·​er ˈpas-ə-ˌfī(-ə)r 

1

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

2

: tranquilizer