sub·​test | \ ˈsəb-ˌtest How to pronounce subtest (audio) \
variants: or less commonly sub-test
plural subtests or sub-tests

Definition of subtest

: a test that is part of a larger test The program has the machine perform one of these subtests dozens of times, each time with different data, and then tells it to go on to the next subtest.— Tracy Kidder A child's scores on these subtests are added up, and the tester converts the total to an IQ …— Ulric Neisser

First Known Use of subtest

1884, in the meaning defined above

Keep scrolling for more

Learn More about subtest

Time Traveler for subtest

Time Traveler

The first known use of subtest was in 1884

See more words from the same year

Statistics for subtest

Cite this Entry

“Subtest.” Dictionary, Merriam-Webster, Accessed 11 Jul. 2020.

Comments on subtest

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


See Definitions and Examples »

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”?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

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

Love words? Need even more definitions?

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