underswell From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAn undercurrent.A swelling undersection. Related wordsSynonymsundercurrentundertidesubterrainunderstreamundernoteunderwaterunderthoughtupcurrentsubcurrentunderwiseunderwordundertasteundercrestundersurfaceunderlierundersoil References Wiktionary — underswell Wikipedia — underswell