important

modif.

1. Weighty; said usually of things

   significant, considerable, momentous, essential, great, decisive, critical, determining, chief, paramount, primary, foremost, principal, major, big, consequential, influential, marked, salient, imperative, exigent, of great consequence, mattering much, of moment, earthshaking, portentous, ponderous, of importance, never to be forgotten, of note, valuable, crucial, substantial, material, meaningful, vital, serious, grave, relevant, pressing, far-reaching, extensive, conspicuous, heavy*, front-page*, standout*, smash*; see also necessary 1, urgent 1.

   Antonyms trivial*, inconsequential*, unimportant. *

2. Eminent; said usually of persons

   illustrious, influential, prominent, leading, great, notable, well-recognized, well-known, imposing, distinguished, prestigious, extraordinary, remarkable, powerful, noteworthy, signal, grand, outstanding, noted, noble, aristocratic, high-ranking, high-level, honored, esteemed, talented, distinctive, first-class, superior, foremost, big, major, big-league*, big-name*, top-notch*, solid*, four-star*, high-up*, high-powered*; see also dignified, distinguished 2, famous.

   Antonyms obscure*, unknown*, unrecognized.

3. Relevant

   material, significant, mattering, of concern; see related 2, relevant.