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Synonyms

IQ

1 American  
Psychology.

  1. intelligence quotient.

i.q. 2 American  

abbreviation

  1. the same as.

IQ 1 British  

abbreviation

  1. intelligence quotient

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
i.q. 2 British  

abbreviation

  1. idem quod

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
iq 3 British  

abbreviation

  1. Iraq

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of IQ1

First recorded in 1960–65

Origin of i.q.2

From Latin idem quod

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Their team, Venetian Blinds, has won several contests, most recently an IQ test of 100 granular questions that the event organizer said took months to develop.

From The Wall Street Journal • Apr. 1, 2026

One feature that Mainelli found impressive was Device IQ, an AI-enabled feature that can proactively find, diagnose and fix issues on a device.

From MarketWatch • Mar. 25, 2026

HP IQ will respond with in depth answers to those questions, and can also offer the user suggestions on what they should do next.

From Barron's • Mar. 24, 2026

Fritz’s high tennis IQ and fiery competitiveness have long been trademarks.

From Los Angeles Times • Mar. 9, 2026

Another time, Langan took an IQ test specially designed for people too smart for ordinary IQ tests.

From "Outliers" by Malcolm Gladwell

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.