iq ipv • i.q. · · · Info · Definitions · Synonyms · Characters · · iq · · Text Latin · · Script 2 · · Length 1 · · Syllables Definitions · · · (noun) a measure of a person's intelligence as indicated by an intelligence test; the ratio of a person's mental age to their chronological age (multiplied by 100). Synonyms: intelligence quotient, IQ, I.Q.. · · Noun Definition 1 Synonyms · · · intelligence quotient · · Synonym 1 i.q. · · Synonym 2 Characters · · i latin small letter i U+0069 q latin small letter q U+0071