Synonyms and Antonyms of underbelly
1 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 demimonde, demiworld, half-world, netherworld, underworldRelated Words abyss, depths
2 the side or part facing downward from something <the underbelly of the old submarine is in bad shape> Synonyms bottom, underbody, underpart, underside, undersurfaceRelated Words belly, sole, toe; base, floor, foot, ground, seat, underpinning; undercarriageNear Antonyms acme, apex, climax, crest, crown, culmination, height, high-water mark, meridian, peak, pinnacle, roof, summit; cusp, head, point, tip, tip-top, zenithAntonyms face, top
3 a vulnerable point <the vast, thinly guarded southern border was obviously the underbelly of the nation's line of defense> Synonyms back, chink, jugular, soft spot, Achilles' heelRelated Words downfall, ruin, undoing; hamartia, tragic flaw
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