/ Dictionary / Index J Junior League: Meaning and Definition of Find definitions for: Jun'ior League' Pronunciation: [key] any local branch of a women's organization, the Association of the Junior Leagues of America, Inc., the members of which are engaged in volunteer welfare work, civic affairs, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. juniority junior miss Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language