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
-
Check the undersides of leaves for insects.—
Kim Toscano,
Southern Living,
29 May 2026 -
Symptoms include angular red, purple, or brown lesions on the upper surfaces of leaves, often between veins, with whitish fungal growth on the undersides.—
Rita Perwich,
San Diego Union-Tribune,
2 May 2026
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“Underparts.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underparts. Accessed 11 Jun. 2026.
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