/ Dictionary / Index P paid-in: Meaning and Definition of Find definitions for: paid-in Pronunciation: (pād'in'), [key] — adj. having paid the dues, initiation fees, etc., required by an organization or association. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. paid paid-in surplus Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language