adj. 25B6; adjective INDESCRIBABLE, inexpressible, unutterable, unspeakable, undefinable, ineffable, beyond words, beyond description; overwhelming, intense, profound.
INCOMMUNICABLE
Meaning of INCOMMUNICABLE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012