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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.

“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

Researchers found that IQ measured at age 23 was strongly connected to socioeconomic status by age 27, including education, occupation, and income.

From Science Daily • May 6, 2026

I always hire people who have a higher IQ than I do.

From MarketWatch • May 6, 2026

Maurice DuPre is six feet high, six feet wide, and has more fingers and toes than he has points on his IQ.

From "145th Street: Short Stories" by Walter Dean Myers

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