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
The team resolved it by applying an epoxy topcoat, which both protected the surface and gave the frames a uniform glossy finish.
—
Georgina Jedikovska, Interesting Engineering, 5 Nov. 2025
In recent years, Hailey Bieber has honed in on a signature manicure style, generally a sheer white either topped with a pearly chrome glaze or a clear topcoat for shine.
—Kara Nesvig, Allure, 30 Oct. 2025
Finishes like polyurethane, varnish, or laminate add a protective topcoat to your cabinets to protect them from substances like grease.
—Ashlyn Needham, Southern Living, 16 Oct. 2025
Yellowing can happen with some topcoats when they’re cured, giving nails an unwanted, slightly off-color tint.
—Morgan Fargo, Vogue, 10 Sep. 2025
See All Example Sentences for topcoat
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Georgina Jedikovska, Interesting Engineering, 5 Nov. 2025
In recent years, Hailey Bieber has honed in on a signature manicure style, generally a sheer white either topped with a pearly chrome glaze or a clear topcoat for shine.
—Kara Nesvig, Allure, 30 Oct. 2025
Finishes like polyurethane, varnish, or laminate add a protective topcoat to your cabinets to protect them from substances like grease.
—Ashlyn Needham, Southern Living, 16 Oct. 2025
Yellowing can happen with some topcoats when they’re cured, giving nails an unwanted, slightly off-color tint.
—Morgan Fargo, Vogue, 10 Sep. 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 7 Nov. 2025.
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topcoat
noun
top·coat
ˈtäp-ˌkōt 
: a lightweight overcoat
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