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
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
Magnetic One-Step Gel Nail Polish in Nude Silver—no base or topcoat required—breathes new life into basic beige.
—Marci Robin, Allure, 2 May 2025
See All Example Sentences for topcoat
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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
Magnetic One-Step Gel Nail Polish in Nude Silver—no base or topcoat required—breathes new life into basic beige.
—Marci Robin, Allure, 2 May 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 10 Sep. 2025.
Copy CitationKids Definition
topcoat
noun
top·coat
ˈtäp-ˌkōt 
: a lightweight overcoat
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