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
Nancy Lebrun, Verywell Health, 17 Mar. 2025
There were not enough plasters to tape over Villa’s approach in the second half at Palace.
—Jacob Tanswell, The Athletic, 25 Feb. 2025
Paul Tassi, Forbes, 18 Mar. 2025
Trudeau said his country would plaster tariffs on over $100 billion (U.S. dollars) of American goods over the course of 21 days.
—Josh Boak, Chicago Tribune, 5 Mar. 2025
See All Example Sentences for plaster
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Noun
Rodents can chew through plaster, aluminum, and concrete and get through openings as small as a half inch wide.
—Nancy Lebrun, Verywell Health, 17 Mar. 2025
There were not enough plasters to tape over Villa’s approach in the second half at Palace.
—Jacob Tanswell, The Athletic, 25 Feb. 2025
Verb
This can involve them being personally attacked and brigaded online or their actual faces being plastered on YouTube thumbnails.
—Paul Tassi, Forbes, 18 Mar. 2025
Trudeau said his country would plaster tariffs on over $100 billion (U.S. dollars) of American goods over the course of 21 days.
—Josh Boak, Chicago Tribune, 5 Mar. 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 24 Mar. 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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