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

If your curtains are crafted of more delicate fabric—like silk curtains or sheer panels—use a microfiber duster or lint roller to remove dust instead. —Caroline Lubinsky, Martha Stewart, 19 Jan. 2026

Dust between each slat of your blinds with your duster. —Daley Quinn, Southern Living, 15 Jan. 2026

These dusters feature a slim flat base covered with a washable and reusable microfiber cloth that can slide under the bottom of appliances, picking up dust and other debris that has collected. —Jolie Kerr, Better Homes & Gardens, 14 Jan. 2026

Monroe never fell for fashion fads and instead gravitated towards a classic, minimalist wardrobe built around capri pants, boatneck shirts, duster coats, and chic sheath dresses. —Kevin Huynh, InStyle, 10 Jan. 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
• 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