/ Dictionary / Index I IQ: Meaning and Definition of Find definitions for: IQ Pronunciation: [key] — Psychol. Psychol. See i.q. Pronunciation: [key] the same as. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: iq (Thesaurus) Ipswich Iqbal Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language