important person im·por·tant·person uncommon noun 1. a person whose actions and opinions strongly influence the course of events Synonymsimportant personinfluential personpersonage Related words Broader terms adult Narrower terms big shotcelebritycolossuselder statesmaneminence griseExcellencyfixerheavy hitter WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
