as in bottom
the side or part facing downward from something
the underside of the cat's coat is pure white
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Recent Examples of underside
The fur on its underside is white from its chin down to its abdomen, according to the study.
—
Lauren Liebhaber
september 17, Miami Herald, 17 Sep. 2025
Apply hot glue to the underside of the mushroom and make sure the fabric is pulled tightly.
—Claire Hoppe Norgaard, Better Homes & Gardens, 16 Sep. 2025
The base can be flipped over and the underside is segmented to carry cupcakes more securely or use as a serving dish.
—Bestreviews, Mercury News, 16 Sep. 2025
To allow the plane to quickly turn skyward without scraping its underside, its back end will sweep away from the ground at a sharp angle.
—Andrew Moseman, IEEE Spectrum, 10 Sep. 2025
See All Example Sentences for underside
Lauren Liebhaber
september 17, Miami Herald, 17 Sep. 2025
Apply hot glue to the underside of the mushroom and make sure the fabric is pulled tightly.
—Claire Hoppe Norgaard, Better Homes & Gardens, 16 Sep. 2025
The base can be flipped over and the underside is segmented to carry cupcakes more securely or use as a serving dish.
—Bestreviews, Mercury News, 16 Sep. 2025
To allow the plane to quickly turn skyward without scraping its underside, its back end will sweep away from the ground at a sharp angle.
—Andrew Moseman, IEEE Spectrum, 10 Sep. 2025
See All Example Sentences for underside
Recent Examples of Synonyms for underside
bottom
Noun
-
The clip, shared by Sarah Ingle (@saraheingle), a dedicated dog fosterer, shows seven-month-old Cookie Crisps nestled in her arms while Ingle gently pats her bottom.—
Lucy Notarantonio,
MSNBC Newsweek,
1 Oct. 2025
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Crash pillows from MotoGP lined the bottom to absorb impacts, while Dias wore a spine protector and Prada’s Linea Rossa gear.—
Sujita Sinha,
Interesting Engineering,
30 Sep. 2025
Cite this Entry
“Underside.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underside. Accessed 8 Oct. 2025.
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