as in underside
the side or part facing downward from something
painted the undersurface of the plane blue
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Recent Examples of undersurface
Pale green eggs are laid in clusters near the food source with each egg suspended at the end of slender silken threads attached to the undersurface of a leaf.
—
Rita Perwich, San Diego Union-Tribune, 1 July 2023
Scientists observed a beetle walking upside-down on the undersurface of a pool of water.
—New York Times, 26 July 2021
The spots enlarge and are mirrored on the undersurface of the leaf with a white downy growth.
—The Editors Of Organic Life, Good Housekeeping, 21 July 2015
Rita Perwich, San Diego Union-Tribune, 1 July 2023
Scientists observed a beetle walking upside-down on the undersurface of a pool of water.
—New York Times, 26 July 2021
The spots enlarge and are mirrored on the undersurface of the leaf with a white downy growth.
—The Editors Of Organic Life, Good Housekeeping, 21 July 2015
Recent Examples of Synonyms for undersurface
Noun
-
Stengel’s shot, off the underside of the crossbar in the match’s dying moments, put an end to the Current’s season.—
Daniel Sperry,
Kansas City Star,
9 Nov. 2025
-
Golden mussels clog the thruster and decorate the underside of his dinghies.—
CalMatters,
Mercury News,
6 Nov. 2025
Noun
-
Bodies quickly decompose at the bottom of the ocean or in a swamp, leaving few traces behind.—
Frederick Dreier,
Outside,
11 Nov. 2025
-
Roast cabbage and pierogies 12 to 15 minutes, then stir cabbage, flip pierogies, and swap baking sheets top to bottom.—
Katlyn Moncada,
Better Homes & Gardens,
11 Nov. 2025
Cite this Entry
“Undersurface.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undersurface. Accessed 13 Nov. 2025.
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