1
: a lightweight overcoat
2
Examples of topcoat in a Sentence
threw on a wool topcoat and headed out into the snow
Recent Examples on the Web
Yellowing can happen with some topcoats when they’re cured, giving nails an unwanted, slightly off-color tint.
—
Morgan Fargo, Vogue, 10 Sep. 2025
For the ultimate glossy look, add a topcoat—then your rose-mocha nails are finished.
—Maria Goldbach, Glamour, 18 Aug. 2025
Unlike topcoat treatments or layered solutions—which can trap heat, wear off or stiffen the garment—the Fluid Channeling Fabric is woven into the material.
—Alexandra Harrell, Sourcing Journal, 12 Aug. 2025
Once the blank matte fiberglass star is decorated by the artist, the village takes the transformed sculpture to an automotive body shop that finishes it with a shiny topcoat to be UV-and-graffiti-resistant.
—Yadira Sanchez Olson, Chicago Tribune, 23 June 2025
See All Example Sentences for topcoat
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Morgan Fargo, Vogue, 10 Sep. 2025
For the ultimate glossy look, add a topcoat—then your rose-mocha nails are finished.
—Maria Goldbach, Glamour, 18 Aug. 2025
Unlike topcoat treatments or layered solutions—which can trap heat, wear off or stiffen the garment—the Fluid Channeling Fabric is woven into the material.
—Alexandra Harrell, Sourcing Journal, 12 Aug. 2025
Once the blank matte fiberglass star is decorated by the artist, the village takes the transformed sculpture to an automotive body shop that finishes it with a shiny topcoat to be UV-and-graffiti-resistant.
—Yadira Sanchez Olson, Chicago Tribune, 23 June 2025
See All Example Sentences for topcoat
Cite this Entry
“Topcoat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/topcoat. Accessed 18 Sep. 2025.
Copy CitationKids Definition
topcoat
noun
top·coat
ˈtäp-ˌkōt 
: a lightweight overcoat
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