DULCET Meaning of DULCET in English [ 'dʌlsɪt ]■ adjective (of a sound) sweet and soothing.OriginME doucet , from OFr. doucet , dimin. of doux , from L. dulcis 'sweet'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004