1
a
: a soft twilled wool or worsted fabric with a loose texture and a slightly napped surface
b
: a napped cotton fabric of soft yarns simulating the texture of wool flannel
c
: a stout cotton fabric usually napped on one side
2
flannels plural
a
: flannel underwear
b
: outer garments of flannel
especially
: men's trousers
3
British
: washcloth
flannel
adjective
Examples of flannel in a Sentence
shirts made of bright-colored flannel
He wore a dark blazer and gray flannels.
Recent Examples on the Web
Aside from meals, other Friday traditions could include having a casual dress theme in the office, such as Hawaiian shirt Friday or flannel Friday.
—
Sho Dewan, Forbes.com, 16 June 2025
The Terrebonne Joggers effortlessly walked the line between casual pants that could dress up lightly with a flannel and straight gym pants, thanks to their muted tones, tailored skinny-jogger cut, and ability to dump heat with aplomb during a workout.
—Joe Jackson, Outside Online, 12 June 2025
The Boll & Branch flannel sheet set is incredibly warm and soft, but the sheets don't feel overly heavy or suffocating (in the winter, that is), even for a hot sleeper.
—Nena Farrell, Wired News, 10 June 2025
The tree in the victim’s front yard stood intact, with structural debris, a blanket and a flannel coat still hanging from the branches.
—Noelle Alviz-Gransee, Kansas City Star, 1 June 2025
See All Example Sentences for flannel
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Sho Dewan, Forbes.com, 16 June 2025
The Terrebonne Joggers effortlessly walked the line between casual pants that could dress up lightly with a flannel and straight gym pants, thanks to their muted tones, tailored skinny-jogger cut, and ability to dump heat with aplomb during a workout.
—Joe Jackson, Outside Online, 12 June 2025
The Boll & Branch flannel sheet set is incredibly warm and soft, but the sheets don't feel overly heavy or suffocating (in the winter, that is), even for a hot sleeper.
—Nena Farrell, Wired News, 10 June 2025
The tree in the victim’s front yard stood intact, with structural debris, a blanket and a flannel coat still hanging from the branches.
—Noelle Alviz-Gransee, Kansas City Star, 1 June 2025
See All Example Sentences for flannel
Cite this Entry
“Flannel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flannel. Accessed 30 Jun. 2025.
Copy CitationKids Definition
flannel
noun
flan·nel
ˈflan-ᵊl 
1
: a soft cloth made of wool or cotton
2
plural
: flannel underwear or trousers
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