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

At that time, [Coco] was really into throwing her pacifier on the ground. —Cynthia Littleton, Variety, 26 Jan. 2026

Baby and Kids' Toys Babies put everything in their mouths, and the dishwasher is a perfect way to keep teething rings and pacifiers clean. —Mary Marlowe Leverette, The Spruce, 9 Jan. 2026

Whereas the socket is connected to itself, functioning like a pacifier. —Bettina Funcke, Artforum, 7 Jan. 2026

With a pacifier in his mouth and a blanket in his hand, the toddler made his way onto the stage, where his dad picked him up and continued his speech. —Jacqueline Weiss, PEOPLE, 29 Dec. 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