important (adj.)

mid-15c., from Middle French important and directly from Medieval Latin importantem (nominative importans) "important, momentous," present-participle adjective from importare "be significant in," from Latin importare "bring in, convey, bring in from abroad," from assimilated form of in- "into, in" (from PIE root *en "in") + portare "to carry," from PIE root *per- (2) "to lead, pass over." Meaning "pretentious, pompous" is from 1713. Related: Importantly.

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