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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.

The company has said the IQ predictions are limited in accuracy.

From The Wall Street Journal • Jun. 5, 2026

An IQ of more than 70 can mean that young people with SEN cannot access disability services as an adult.

From BBC • Jun. 3, 2026

It is not designed to measure intelligence, IQ or academic ability.

From Salon • May 31, 2026

That meant this case was no longer going to be a clean vehicle to decide what the IQ line needs to be for intellectual disability under the Eighth Amendment.

From Slate • May 23, 2026

“Erm...brain fluid, I think. We had a pressure leak on the last mission. But that’s plugged now. And the officer lived. Down a few IQ points, but alive, and he can still take liquids.”

From "Artemis Fowl" by Eoin Colfer

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