Bottom
Bottom noun - The side or part facing downward from something.
Usage example: that side of the shelf is supposed to be the bottom, so turn it over before you assemble the bookcase
Underbelly is a synonym for bottom in underside topic. In some cases you can use "Underbelly" instead a noun "Bottom", when it comes to topics like foundation.
Underbelly
Underbelly noun - The side or part facing downward from something.
Usage example: the underbelly of the old submarine is in bad shape
Mutual synonyms
Both words in one sentence
- Enzo from Bayonetta, a seedy, foul-mouthed, Joe Pesci-esque wise guy scraped from the bottom of New York's criminal underbelly.
Source: The Chew Toy / Video Games - In the criminal underbelly, he's usually a low-level bottom-feeder at best, and is often a bit of a slimy, whiny creep, but he has his finger on the pulse and every scrap of information about what's going down comes through him, and he saves it for exactly when it'll come in useful for him.
Source: The Rat
Cite this Source
Underbelly and Bottom. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/bottom/underbelly
Bottom & Underbelly. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/bottom/underbelly>.
Underbelly or Bottom. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/bottom/underbelly.
Google Ngram Viewer shows how "bottom" and "underbelly" have occurred on timeline