as in underside
the side or part facing downward from something
the bird's underparts were white
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Recent Examples of underpart
Calliope hummers have glossy green on the back and crown with white underparts.
—
Joan Morris, The Mercury News, 26 July 2019
The adult brown pelican has gray underparts with brown hues, black-brown belly, yellow head and dark brown neck, silver-gray back and wings, with black feathers at the tips.
—Ernie Cowan, San Diego Union-Tribune, 13 June 2019
Joan Morris, The Mercury News, 26 July 2019
The adult brown pelican has gray underparts with brown hues, black-brown belly, yellow head and dark brown neck, silver-gray back and wings, with black feathers at the tips.
—Ernie Cowan, San Diego Union-Tribune, 13 June 2019
Recent Examples of Synonyms for underpart
Noun
-
For bonus organization, label the sheet sizes with masking tape on the underside of the shelf above each stack.—
Mary Catherine McAnnally Scott,
Southern Living,
12 Sep. 2025
-
For gaps along soffits (the underside of a roof's overhang), exterior caulk or spray foam designed for outdoor use works well.—
Elizabeth Fogarty,
Better Homes & Gardens,
11 Sep. 2025
Noun
-
Fine arts at the bottom seems to have some rationale to it.—
Erik Sherman,
Forbes.com,
17 Sep. 2025
-
The list of list surveyed is, as ever, at the bottom.—
Literary Hub,
Literary Hub,
16 Sep. 2025
Cite this Entry
“Underpart.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underpart. Accessed 18 Sep. 2025.
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