undercurrent undercurl • undercurrent relay · · · Info · Definitions · Synonyms · Characters · · undercurrent · · Text Latin · · Script 12 · · Length 4 · · Syllables Definitions · · · (noun) a subdued emotional quality underlying an utterance; implicit meaning. Synonyms: undertone. · · Noun Definition 1 (noun) a current below the surface of a fluid. Synonyms: undertide. · · Noun Definition 2 Synonyms · · · undertone · · Synonym 1 undertide · · Synonym 2 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075