adjective \ˈlēst\

: smallest in amount or degree

Full Definition of LEAST

superlative of 1little
:  lowest in importance or position
a :  smallest in size or degree
b :  being a member of a kind distinguished by diminutive size <the least bittern>
c :  smallest possible :  slightest

Origin of LEAST

Middle English leest, from Old English ̄st, superl. of ̄ssa less
First Known Use: before 12th century

Rhymes with LEAST



Definition of LEAST

:  one that is least
at least
:  at the minimum <at least once a week>
:  in any case <at least you have a choice>

First Known Use of LEAST

12th century



: in or to the smallest degree

Full Definition of LEAST

superlative of 2little
:  in the smallest or lowest degree
least of all
:  especially not <no one, least of all the children, paid attention>

Examples of LEAST

  1. Who was the least at fault in the case?
  2. He asked me to help him when I least expected it.
  3. That was the least important of her reasons.
  4. That was the least interesting book I have ever read.

First Known Use of LEAST

13th century


   (Medical Dictionary)

Medical Definition of LEAST

superlative of little


Next Word in the Dictionary: least bitternPrevious Word in the Dictionary: leasowAll Words Near: least
May 24, 2015
erudite Hear it
learned or pedantic
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears