1
as in underworlds
a social sphere that exists outside of the mainstream
unable to get work in mainstream films, the actor ended up in Hollywood's underbelly—the porn industry
Synonyms & Similar Words
Relevance
2
as in undersides
the side or part facing downward from something
the underbelly of the old submarine is in bad shape
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in backs
a vulnerable point
the vast, thinly guarded southern border was obviously the underbelly of the nation's line of defense
Synonyms & Similar Words
Example Sentences
Recent Examples of Synonyms for underbellies
Noun
-
For Aronofsky, the city’s ethnic blend has no special claim on virtue; there seem to be as many criminal underworlds as there are demographic groups.—
Richard Brody,
New Yorker,
28 Aug. 2025
Noun
-
Examine your satin pothos for signs of pests, paying close attention to the undersides of the leaves and any crevices between the stems and petioles.—
Cori Sears,
The Spruce,
7 Feb. 2026
-
To inspect for pests, look on the undersides of leaves, on leaf joints, and in areas of new growth.—
Leanne Potts,
Better Homes & Gardens,
20 Jan. 2026
Noun
-
Sewald came to the Diamondbacks from the Seattle Mariners in a trade deadline deal in 2023 and helped the D-backs make a surprise run to the Fall Classic before losing to the Texas Rangers in five games.—
Arkansas Online,
Arkansas Online,
15 Feb. 2026
-
Etheridge, a former safety at Auburn, joined the Canes as defensive pass game coordinator and defensive backs coach last offseason, after three years at Auburn and one year at Houston.—
Barry Jackson,
Miami Herald,
13 Feb. 2026
Noun
-
Styling her wet hair away from her face, the model paired a plunging bandeau-style bikini top with a pair of low-rise thong bikini bottoms.—
Lara Walsh,
InStyle,
15 Feb. 2026
-
Spanxsmooth Swim styles will include string bikini tops and bottoms, a bandeau bikini top, and a scoop-neck one-piece.—
Lisa Lockwood,
Footwear News,
11 Feb. 2026
Noun
-
Look for citrus fruits that feel firm and smooth, with no soft spots or bruises.—
Zia Sherrell,
Health,
7 Feb. 2026
-
Look for firm mushrooms that are free of soft spots or mold.—
Cathy Thomas,
Oc Register,
26 Jan. 2026
Noun
-
Once Woll’s bratty vamp was through draining jugulars, the actress found a second signature role as Karen Page on Marvel’s Daredevil (2015–2018).—
Matt Cabral,
Entertainment Weekly,
4 Oct. 2025
Noun
-
Does the bazaar allow for chinks in the kind of class barriers that would usually exist?—
Cressida Leyshon,
New Yorker,
23 Nov. 2025
-
But after the break, the Americans started to find some chinks in the English armour.—
Peter Carline,
New York Times,
21 Aug. 2025
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Cite this Entry
“Underbellies.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underbellies. Accessed 16 Feb. 2026.
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