as in undersides
the side or part facing downward from something
the bird's underparts were white
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Recent Examples of Synonyms for underparts
undersides
Noun
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The whales are mainly gray with bits of white patches on their undersides and have extremely big heads that make up one-third of their entire body length, according to the National Oceanic and Atmospheric Administration.—
Paloma Chavez,
Sacbee.com,
9 Sep. 2025 -
The black coating is formed when the fungus lives on the excreta from scale insects usually on the stems and undersides of the leaves.—
Tom MacCubbin,
The Orlando Sentinel,
16 Aug. 2025
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“Underparts.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underparts. Accessed 17 Sep. 2025.
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