Definition of iq

 (Entry 1 of 2)

the same as

IQ

noun
\ ˌī-ˈkyü How to pronounce IQ (audio) \

Definition of IQ (Entry 2 of 2)

1 : a number used to express the apparent relative intelligence of a person: such as
a : the ratio of the mental age (as reported on a standardized test) to the chronological age multiplied by 100
b : a score determined by one's performance on a standardized intelligence test relative to the average performance of others of the same age
2 : proficiency in or knowledge of a specified subject nobody questioned his hockey IQ

Keep scrolling for more

Examples of iq in a Sentence

Noun

They wanted me to take an IQ test. he has a movie IQ that is off the charts

First Known Use of iq

Noun

1920, in the meaning defined at sense 1

History and Etymology for iq

Abbreviation

Latin idem quod

Noun

intelligence quotient

Keep scrolling for more

Learn More about iq

Dictionary Entries near iq

Ipuriná

ipv

IPW

iq

IQ

Iqaluit

IQED

Statistics for iq

Look-up Popularity

Time Traveler for iq

The first known use of iq was in 1920

See more words from the same year

Keep scrolling for more

More Definitions for iq

IQ

noun

English Language Learners Definition of IQ

: a number that represents your intelligence and that is based on your score on a special test

IQ

noun
\ ˌī-ˈkyü How to pronounce IQ (audio) \

Kids Definition of IQ

: a number that represents a person's level of intelligence based on the score of a special test

IQ

noun
\ ˌī-ˈkyü How to pronounce IQ (audio) \

Medical Definition of IQ

: a number used to express the apparent relative intelligence of a person based on the results of standardized testing: as
a : the ratio of the mental age (as reported on a standardized test) to the chronological age multiplied by 100
b : a score determined by one's performance on a standardized intelligence test relative to the average performance of others of the same age

History and Etymology for iq

intelligence quotient

Keep scrolling for more

More from Merriam-Webster on iq

Thesaurus: All synonyms and antonyms for iq

Spanish Central: Translation of iq

Nglish: Translation of iq for Spanish Speakers

Britannica.com: Encyclopedia article about iq

Comments on iq

What made you want to look up iq? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

incapable of being surmounted or overcome

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!