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
Light scratches and abrasions will occur at the finish level rather than on the wood, and moisture and water won’t absorb through the topcoat.
—
Dan Simms, USA Today, 23 Mar. 2026
To get the look, Rose says to first apply your base color of choice, cure, add topcoat, and cure for exactly 30 seconds.
—Kara Jillian Brown, InStyle, 12 Mar. 2026
Once the ribbed pattern is in place over a solid base, cure and seal with a topcoat.
—Annie Blay-Tettey, Allure, 27 Feb. 2026
According to the researchers, the weak point wasn’t the concept, but the off-the-shelf topcoat.
—Georgina Jedikovska, Interesting Engineering, 24 Feb. 2026
See All Example Sentences for topcoat
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Dan Simms, USA Today, 23 Mar. 2026
To get the look, Rose says to first apply your base color of choice, cure, add topcoat, and cure for exactly 30 seconds.
—Kara Jillian Brown, InStyle, 12 Mar. 2026
Once the ribbed pattern is in place over a solid base, cure and seal with a topcoat.
—Annie Blay-Tettey, Allure, 27 Feb. 2026
According to the researchers, the weak point wasn’t the concept, but the off-the-shelf topcoat.
—Georgina Jedikovska, Interesting Engineering, 24 Feb. 2026
See All Example Sentences for topcoat
Cite this Entry
“Topcoat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/topcoat. Accessed 31 Mar. 2026.
Copy CitationKids Definition
topcoat
noun
top·coat
ˈtäp-ˌkōt 
: a lightweight overcoat
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