/ Dictionary / Index V vigentennial: Meaning and Definition of Find definitions for: vi•gen•ten•ni•al Pronunciation: (vī"jen-ten'ē-ul), [key] — n. a 20th anniversary. a celebration, meeting, reunion, etc., commemorating such an anniversary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Vigée-Lebrun vigesimal Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language