adjective
Synonyms: unutterable , incommunicable, indefinable, indescribable, ineffable, inenarrable, inexpressible, undescribable, unspeakable, untellable
Antonyms: expressible
adjective
Synonyms: unutterable , incommunicable, indefinable, indescribable, ineffable, inenarrable, inexpressible, undescribable, unspeakable, untellable
Antonyms: expressible
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003