Breadcrumb Home > Thesaurus > I Synonyms of iq Find synonyms for: Noun 1. intelligence quotient, IQ, I.Q., ratio usage: 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) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of iq (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language