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

The baby was captured sleeping on his mother's chest, stretching his limbs out while laying in a crib and sucking on a pacifier while looking at his mother. —Kayla Grant, People.com, 11 May 2025

The 2-in-1 Tote Bag keeps your chaos chic with a snap strap for your laptop, zip pockets for the tiny stuff (pacifiers or lip balm, anyone?), and twin open slots for easy phone grabs mid-diaper change. —Pooja Shah, Forbes.com, 10 May 2025

New research by baby brand MAM suggests 15% of British parents feel judged for offering their child a pacifier and 63% of parents have experienced some form of judgment around pacifiers during early parenting. —Hannah Silverman, Parents, 7 Mar. 2025

Some are intended to match pacifiers from the same manufacturer. —Bestreviews, The Mercury News, 25 Feb. 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