as in underside
the side or part facing downward from something
painted the undersurface of the plane blue
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
-
Since the underside is steel, its filter is stuck in place using magnetic strips.—
Thomas Soderstrom,
PC Magazine,
4 Oct. 2025
-
Small cottony clusters may appear on branches, in cracks in the bark, on roots, or on the undersides of leaves.—
Karen Brewer Grossman,
Southern Living,
2 Oct. 2025
Noun
-
United have a relatively kind baptism to their European campaign on Wednesday, with a home match against Norwegian side Valerenga, who have only been in the competition once before and finished bottom of their group.—
Megan Feringa,
New York Times,
7 Oct. 2025
-
The brownie bits at the top and bottom hit different at the end.—
Kimberly Holland,
Southern Living,
7 Oct. 2025
Cite this Entry
“Undersurface.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undersurface. Accessed 8 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share