UNVITAL Meaning of UNVITAL in English adjective Synonyms: petty 2, inconsequent, inconsequential, paltry, peanut, pettifogging, piddling, trifling, trivial, unconsequential Antonyms: vital Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003