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

Examples of duster in a Sentence

He wore a tan duster.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To do the most thorough job, remove dust, cobwebs, and debris from the glass and window frame using a hand duster or soft brush before applying any wet solution. Mary Marlowe Leverette, The Spruce, 29 Aug. 2026 Jen recommends using a cobweb duster on a regular basis (every couple of weeks to monthly). Daley Quinn, Southern Living, 28 Aug. 2026 Lucy Liu’s Leather Duster Jacket Long, oversized duster coats have become a go-to for stars such as Hailey Bieber. Samantha Sutton, InStyle, 12 Aug. 2026 An extendable microfiber duster will keep you from having to lug a ladder around your house. Louise Parks, Martha Stewart, 27 July 2026 See All Example Sentences for duster

Word History

First Known Use

1576, in the meaning defined at sense 1

Time Traveler
The first known use of duster was in 1576

Browse Nearby Words

Cite this Entry

“Duster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duster. Accessed 1 Sep. 2026.

Kids Definition

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
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