25B6; adjective VITAL, essential, indispensable, crucial, key, vitally important, of the utmost importance; critical, life-and-death, paramount, pre-eminent, high-priority; urgent, pressing, burning.
inessential.
25B6; adjective VITAL, essential, indispensable, crucial, key, vitally important, of the utmost importance; critical, life-and-death, paramount, pre-eminent, high-priority; urgent, pressing, burning.
inessential.
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012