SAPONACEOUS Meaning of SAPONACEOUS in English transcription, транскрипция: [ ˌsæpəuˈneɪʃəs ]adj. 1 of, like, or containing soap; soapy. 2 joc. unctuous; flattering. [mod.L saponaceus f. L sapo -onis soap] English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012