duster

noun

dust·​er ˈdə-stər 

1

: one that removes dust

2

a(1)

: a long lightweight overgarment to protect clothing from dust

(2)

: a long coat cut like a duster

called also duster coat

b

: a dress-length housecoat

3

: one that scatters fine particles

specifically : a device for applying insecticidal or fungicidal dusts to crops

4

: dust storm

Examples of duster in a Sentence

He wore a tan duster.

Recent Examples on the Web

Dust With a Telescoping Microfiber Duster Using a telescoping microfiber duster is one of the easiest ways to keep ceilings and crown molding clean. — Caroline Lubinsky, Martha Stewart, 9 July 2026

Microfiber dusters are particularly effective at trapping dust. — Kate Van Pelt, The Spruce, 3 July 2026

This handheld microfiber duster is designed to fit right into nooks and crannies to pick up dirt rather than just move it around. — Better Homes & Gardens, 2 July 2026

Another guy, in a black duster, comes toward me, back-lit out of the setting sun. — Neil Senturia, San Diego Union-Tribune, 29 June 2026

Word History

First Known Use

1576, in the meaning defined at sense 1

Phrases Containing duster

• crop duster
• feather duster
• knuckle-duster

Rhymes for duster

• bluster
• buster
• cluster
• juster
• luster
• lustre
• maister
• muster
• thruster
• trustor
• adjuster
• baluster

Kids Definition

duster

noun

dust·​er ˈdəs-tər 

1

: one that dusts

2

a

: a loose-fitting usually lightweight long coat

called also duster coat

b

: a dress-length housecoat

3

: one that scatters fine particles

especially : a device for applying insecticidal or fungicidal dusts to crops compare crop duster