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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.

I have always been in awe of LeBron’s athleticism and basketball IQ.

From Los Angeles Times • Jul. 4, 2026

His company sells a polygenic embryo-screening product, which screens prospective parents’ embryos and produces risk scores for their likelihood of developing disease, as well as factors like height, IQ and eye color.

From The Wall Street Journal • Jun. 5, 2026

She said that he was "not considered to have a learning disability because his IQ assessment scored just four points above the qualifying threshhold of 70."

From BBC • Jun. 3, 2026

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

From Salon • May 31, 2026

Well, suppose that instead of measuring your IQ, I gave you a totally different kind of test.

From "Outliers" by Malcolm Gladwell

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