/ Dictionary / Index A Adar: Meaning and Definition of Find definitions for: A•dar Pronunciation: (u-där'Seph. Heb.ä-där'Ashk. Heb.ä'där), [key] — n. the sixth month of the Jewish calendar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adar (Thesaurus) adaptive radiation ad arbitrium* Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language