Dictionary.com
Thesaurus.com
Jump To:
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.

See Examples For:

Human beings are chimpanzees, and are therefore pack animals, and the average IQ is 100, meaning half of all people have an IQ lower than 100.

From MarketWatch Jul. 22, 2026

It has also been associated with later measurements of cognitive development and IQ, although many genetic, environmental, and developmental factors influence intelligence.

From Science Daily Jul. 17, 2026

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

From Los Angeles Times Jul. 4, 2026

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

From The Wall Street Journal Jun. 5, 2026

Once someone has reached an IQ of somewhere around 120, having additional IQ points doesn’t seem to translate into any measurable real-world advantage.

From "Outliers" by Malcolm Gladwell

Those who emigrated in early years to other countries mostly adopted their fathers' names with the suffix of vitch as a family name; for instance Markovitch, Gregorovitch, i.q.

From Historical View of the Languages and Literature of the Slavic Nations by Therese Albertine Louise von Jacob Robinson

The cheeks were bloodless and fallen iq, the lips pinched, and in the eyes there shone that unnatural brilliancy which results from an over-wrought and over-excited brain.

From The Fortunes Of Glencore by Charles James Lever

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training