/ Dictionary / Index B Brennan: Meaning and Definition of Find definitions for: Bren•nan Pronunciation: (bren'un), [key] born 1906, U.S. lawyer and jurist: associate justice of the U.S. Supreme Court 1956–90. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Brenham Brenner Pass Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language