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

What To Do Dust between each slat of your blinds with your duster. —Daley Quinn, Southern Living, 16 June 2025

Floor dusters and sweepers are great for collecting dust and dirt from your floors. —Cody Godwin, USA Today, 17 May 2025

These liquid dusters are anything but messy, though. —Nashia Baker, Architectural Digest, 12 May 2025

Take a feather or soft cloth duster and lightly swipe the decoration to remove surface dust. —Mary Cornetta, Better Homes & Gardens, 17 Dec. 2024

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
• muster
• thruster
• trustor
• adjuster
• baluster
• blockbuster

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