/ Dictionary / Index O old Adam: Meaning and Definition of Find definitions for: old' Ad'am Pronunciation: [key] (in Christian theology) human nature lacking in grace; humans in their unredeemed state. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. old old age Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language