1
: a medicated or protective dressing that consists of a film (as of cloth or plastic) spread with a usually medicated substance
adhesive plaster
broadly
: something applied to heal and soothe
2
: a pasty composition (as of lime, water, and sand) that hardens on drying and is used for coating walls, ceilings, and partitions
plastered; plastering
ˈpla-st(ə-)riŋ 
1
: to overlay or cover with plaster : coat
2
: to apply a plaster to
3
a
: to cover over or conceal as if with a coat of plaster
b
: to apply as a coating or incrustation
c
: to smooth down with a sticky or shiny substance
plastered his hair down
4
: to fasten or apply tightly to another surface
5
: to treat with plaster of paris
6
: to affix to or place on especially conspicuously or in quantity
7
: to inflict heavy damage or loss on especially by a concentrated or unremitting attack
: to apply plaster
Examples of plaster in a Sentence
Noun
put a plaster on the burn and don't touch it
Verb
We plastered and sanded the walls before painting them.
They plastered the walls with posters.
Someone had plastered a political poster on the wall.
His clothes were plastered to his body from the rain.
He plastered his hair down with gel.
Recent Examples on the Web
Mariana Enriquez
october 2, Literary Hub, 2 Oct. 2025
Rather than paint, Wayne used Valspar Terra Venetian plaster on the walls in a rich, earthy hue.
—Monika Biegler Eyers, Better Homes & Gardens, 1 Oct. 2025
Via Scribner, Literary Hub, 7 Oct. 2025
Small towns along the French Broad River, like Marshall and Hot Springs, were severely affected, with floodwaters either leveling buildings or plastering the structures with thick mud and silt.
—Garret K. Woodward, Rolling Stone, 4 Oct. 2025
See All Example Sentences for plaster
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Noun
Lit candles, images on paper and a plaster statue of the folk saint Gauchito Gil, flowers in green plastic bottles, simple bouquets of jasmine floating in rotten water inside coffee cans, a lot of plastic flowers to keep the place colorful.
—Mariana Enriquez
october 2, Literary Hub, 2 Oct. 2025
Rather than paint, Wayne used Valspar Terra Venetian plaster on the walls in a rich, earthy hue.
—Monika Biegler Eyers, Better Homes & Gardens, 1 Oct. 2025
Verb
Now, visitors to the Rue de Fleurus would see that Leo’s old door was plastered up, and Picasso’s portrait of Gertrude had taken center stage above her chair.
—Via Scribner, Literary Hub, 7 Oct. 2025
Small towns along the French Broad River, like Marshall and Hot Springs, were severely affected, with floodwaters either leveling buildings or plastering the structures with thick mud and silt.
—Garret K. Woodward, Rolling Stone, 4 Oct. 2025
See All Example Sentences for plaster
Cite this Entry
“Plaster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plaster. Accessed 9 Oct. 2025.
Copy CitationKids Definition
plaster
1 of 2 noun
plas·ter
ˈplas-tər
1
: a medicated or protective dressing consisting of a film (as of cloth or plastic) spread with a substance that clings to the skin
adhesive plaster
2
: a paste (as of lime, water, and sand) that hardens on drying and is used for coating walls and ceilings
plaster
2 of 2 verb
plastered; plastering
-t(ə-)riŋ
1
: to apply a plaster to
2
: to cover over as if with a coat of plaster
3
: to smooth down with a sticky or shiny substance
plastered my hair down
4
: to fasten or apply tightly to another surface
wet clothes plastered to his body
5
: to affix to or place on especially in large numbers
plaster posters to a wall
6
: to apply plaster
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