Synonyms for important

Adjective

1. important (vs. unimportant), of import, all-important(prenominal), all important(predicate), crucial, essential, of the essence(predicate), alpha, arch(prenominal), big, burning(prenominal), cardinal, central, fundamental, key, primal, chief(prenominal), main(prenominal), primary(prenominal), principal(prenominal), consequential, eventful, Copernican, distinguished, eminent, great, grave, grievous, heavy, weighty, historic, in-chief(postnominal), measurable, most-valuable, serious, strategic, useful, valuable, of value, beta, essential, significant#1, important, valuable

usage: of great significance or value; "important people"; "the important questions of the day"

2. significant (vs. insignificant), important, big, momentous, earthshaking, world-shaking, world-shattering, epochal, epoch-making, evidential, evidentiary, fundamental, profound, monumental, noteworthy, remarkable, probative, operative, key, portentous, prodigious, large, important#1, of import, meaningful

usage: important in effect or meaning; "a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant"

3. crucial (vs. noncrucial), important, critical, decisive, life-and-death, life-or-death, pivotal, polar, critical, decisive, essential

usage: of extreme importance; vital to the resolution of a crisis; "a crucial moment in his career"; "a crucial election"; "a crucial issue for women"

4. authoritative, important, influential (vs. uninfluential)

usage: having authority or ascendancy or influence; "an important official"; "the captain's authoritative manner"

5. important, immodest (vs. modest)

usage: having or suggesting a consciousness of high position; "recited the decree with an important air"; "took long important strides in the direction of his office"