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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.

It left states leeway to define who is intellectually disabled but did clarify that an individual with an IQ under 70 is generally going to qualify.

From Slate • May 23, 2026

“He’s always had the IQ, now you add the power on top of that?”

From Los Angeles Times • May 16, 2026

Matcha mania may have been sweeping the world, but Nielsen IQ data shows sales of other types of tea - including green tea, kombucha and cold carbonated tea - are all rising, too.

From BBC • May 8, 2026

One limitation is that the study did not directly control for parents' IQ or socioeconomic status.

From Science Daily • May 6, 2026

Noah’s IQ was off the charts, but he’d yet to hold a conversation with a real human being this year.

From "Ungifted" by Gordon Korman

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