Synonyms of important

1 Syllable

chief, great, big, wk

2 Syllables

pressing, urgent, focal, stapler, big-time, crucial, earnest, marked, grave, big-gun, big-wheel, hot-dog, pompous, central, famous, telling, weighty, well-known, centric, doozie, signal, heavy, large, well-done, helpful, serious, world-class, salient, namest, vital, standout, steller, axial, hotdog, namer, front-page

3 Syllables

relevant, seminal, centroidal, influential, big-league, eventful, paramount, sobering, puffed-up, exigent, humorless, called-for, archival, emphatic, prestigious, respected, valuable, laureate, momentous, life-or-death, meaningful, principal, portentous, capitals, conformant, essential, material, gilt-edged, esteemed, honored, conspicuous, historic, primary, worthwhile, iconic, earth-shaking, outstanding, critical, stylistic, capital, life-and-death, something, fateful, earthshaking, ponderous, far-reaching, strategic, hundred-proof, out-of-sight, deciding, foremost

4 Syllables

responsible, earthshattering, impressive, unamusing, top-priority, historical, coal-and-ice, name-of-the-game, exceptional, significant, celebrated, extensive, necessary, all-important, consequential, determining, earth-shattering, memorable, highfalutin, monumental, decisive, out-of-this-world, remarkable

5 Syllables

much-publicized, importunate, considerable, imperative, operative, decision-making, applicatory, unforgettable, prerequisite, constitutive, oratorical