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
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His videos, paring down the frog, or fleshy, central toe on the underside of a hoof, or painting on polish, regularly get hundreds of millions of views.—
Sarah Maslin Nir,
New York Times,
21 May 2025
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The underside of your vehicle is hot and can easily ignite grasses from your exhaust muffler.—
Josh Hammer,
MSNBC Newsweek,
21 Apr. 2025
Noun
-
The Orion constellation is at the bottom left, while Jupiter is just left of the center and Venus is on the far right.—
Daisy Dobrijevic,
Space.com,
12 June 2025
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In the first game, the Dodgers and Astros were tied 2-2 going into the bottom of the 10th.—
Houston Mitchell,
Los Angeles Times,
12 June 2025
Cite this Entry
“Underpart.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underpart. Accessed 18 Jun. 2025.
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