/ Dictionary / Index I IPO: Meaning and Definition of Find definitions for: IPO Pronunciation: [key] initial public offering. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ipo (Thesaurus) IPM Ipoh Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language