Synonyms of underbellies

underbellies

noun

plural of underbelly

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

• underworlds
• abysses
• netherworlds
• depths
• demimondes
• half-worlds
• demiworlds

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

• undersides
• bottoms
• underbodies
• underparts
• undersurfaces
• bellies
• seats
• feet
• floors
• toes
• soles
• underpinnings
• grounds
• bases
• undercarriages

Antonyms & Near Antonyms

• tops
• faces
• roofs
• peaks
• pinnacles
• crests
• heights
• apexes
• crowns
• summits
• meridians
• climaxes
• heads
• cusps
• tips
• points
• culminations
• high-water marks
• acmes
• zeniths
• tip-tops

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

• backs
• soft spots
• jugulars
• chinks
• ruins
• downfalls
• Achilles' heels
• undoings
• hamartias
• tragic flaws

Example Sentences

Recent Examples of underbellies

The most caustic people in the world often have the softest underbellies — at least if Alden Ehrenreich is playing them. — Jackson McHenry, Vulture, 29 Apr. 2026

Cashmere is expensive because these goats produce a limited amount of this precious fiber, found on their underbellies, and the process of obtaining the wool is labor-intensive. — Encyclopedia Britannica, 31 Mar. 2026

Humpbacks congregate here, creating pufflike splashes on the horizon and flashing their fins and underbellies at all distances. — Darrell Hartman, Condé Nast Traveler, 23 Aug. 2021