UNDERPART Synonyms: 36 Similar and Opposite Words

underpart

noun

ˈən-dər-ˌpärt

Definition of underpart

as in underside

the side or part facing downward from something the bird's underparts were white

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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 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

Recent Examples of Synonyms for underpart

Noun

Only the lengthwise, or warp, yarns are dyed, while the crosswise, or weft, yarns remain undyed, giving denim its characteristic blue face and lighter underside.

— Britannica Editors, Encyclopedia Britannica, 23 Oct. 2026
On the dark underside of the 59-second Bigfoot film lies a tawdry family drama.

— Owen Gleiberman, Variety, 18 Oct. 2026

Definition of underside

Noun

Before digging into that, the interface looks a lot like macOS, with an app drawer at the bottom of the screen with a search function and a status bar at the top with app-level options, time, battery, notifications, and connectivity controls.

— Joe Osborne, PC Magazine, 24 Oct. 2026
Broil on the middle rack until the top side is toasted, then flip and toast the bottom (watch it carefully).

— Candy Hom, AJC.com, 24 Oct. 2026

Definition of bottom

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underpants

underpart

underparts

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“Underpart.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underpart. Accessed 27 Oct. 2026.

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Synonyms of underpart

noun

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