25B6; adjective UNNECESSARY, inessential, unessential, needless, unneeded, superfluous, uncalled for, redundant, dispensable, expendable, unimportant, extraneous.
NON-ESSENTIAL
Meaning of NON-ESSENTIAL in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012