mattress topper
Americannoun
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a separate layer of soft material, such as foam, laid on a mattress under the bedding in order to give the sleeper added comfort.
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a usually fitted cover made of any of various materials, put on a mattress to protect it from moisture or staining or to protect the sleeper.
Other Word Forms
Noun Inflected Forms
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
WSJ | Buy Side: Find the best mattress topper for your sleep situation.
From The Wall Street Journal ● Jan. 10, 2026
Amazon Haul was created to compete with Temu, the digital megamall that sells directly from Chinese manufacturers, translating to cartoonishly low prices: $5 sneakers, a $6 foam mattress topper.
From Salon ● May 7, 2025
Vibrant pink bedside tables add a punch of color on either side of the blue and white checked handcrafted Hästens mattress, which sells for $30,000 and includes the bed, box spring and mattress topper.
From Los Angeles Times ● Apr. 17, 2025
"He brought a scented diffuser, his own mattress topper, a waffle maker so he could make the breakfast he normally would have," Wightman says.
From BBC ● Jul. 19, 2024
A stained mattress topper, feathers spilling from its torn edge.
From "The City Beautiful" by Aden Polydoros
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.