UNDERSIDE Synonyms: 36 Similar and Opposite Words

underside

noun

ˈən-dər-ˌsīd

Definition of underside next

as in bottom

the side or part facing downward from something the underside of the cat's coat is pure white

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Example Sentences

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Recent Examples of underside The spongy underside of the cap has pores—rather than gills as seen in Agaricales mushrooms such as shiitake and portobello—which are the openings to tubes through which spores exit the mushroom. —

Encyclopedia Britannica, 1 May 2026 The left and right rocker buttons located on the undersides of the glasses' temples adjust the audio volume and picture brightness, respectively. —

Will Greenwald, PC Magazine, 29 Apr. 2026 At ground level, the building feels almost improbably large, much of its underside shaded. —

Ariana Marsh, Vogue, 21 Apr. 2026 The cotton underside is just insulating enough to work on your bed year-round, while the linen’s airflow lets heat escape for a naturally temperature-regulating combination. —

Caley Sturgill, Southern Living, 19 Apr. 2026 See All Example Sentences for underside

Recent Examples of Synonyms for underside

bottom

Noun

In another video, Hough was seen wearing a bikini featuring a nude triangle top and black bikini bottoms while jumping on a trampoline surrounded be palm trees.

— Ashley Hume, FOXNews.com, 7 May 2026
The Cubs loaded the bases in the bottom of the inning, and Busch coaxed a two-out walk to end the game.

— Andy Martinez, Chicago Tribune, 7 May 2026