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

Lastly, be prepared with a pacifier for babies or a straw in a juice box for toddlers to suck on during takeoff or landing, when the air pressure changes can cause their little ears to pop. — Stacey Leasca, Travel + Leisure, 25 June 2026

Many OnlyFans creators took issue with the harmful stereotypes used in Levinson’s depiction of their field, including one scene with Cassie posing spread-eagle in a diaper, with a pacifier in her mouth. — Glenn Garner, Deadline, 20 June 2026

Wright then shared a photo of her son Presley strapped into a gurney with his pacifier in his mouth. — Hannah Sacks, PEOPLE, 10 June 2026

Many families also swap plastic pacifiers, teethers and feeding utensils for silicone, stainless steel, wood or natural rubber alternatives. — Ryan Brennan, Kansas City Star, 26 May 2026

Word History

First Known Use

1533, in the meaning defined at sense 1

Rhymes for pacifier

• acquire
• attire
• bonfire
• campfire
• ceasefire
• conspire
• desire
• enquire
• entire
• greenbrier
• gunfire
• homebuyer

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