Synonyms For "Important" :
1 syllable:
big, chief, grand, grave, great, key, large, main
2 syllables:
alpha, beta, burning, central, crucial, grievous, heavy, master, polar, primal, profound, weighty
3 syllables:
cardinal, critical, decisive, distinguished, earthshaking, epochal, essential, eventful, historic, meaningful, momentous, notable, noteworthy, of import, outstanding, pivotal, portentous, primary, principal, probative, prodigious, serious, strategic, valuable
4 syllables:
consequential, evidential, fundamental, influential, measurable, monumental, operative, probatory, remarkable, significant