least

¹least

adjective \ˈlēst\

Definition of LEAST

superlative of ¹little

1

: lowest in importance or position

2

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 lǣst, superl. of lǣssa less

First Known Use: before 12th century

Rhymes with LEAST

beast, east, feast, fleeced, piste, priest, reest, triste, yeast

²least

noun

Definition of LEAST

: one that is least

— at least

1

: at the minimum <at least once a week>

2

: in any case <at least you have a choice>

First Known Use of LEAST

12th century

³least

adverb

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

least

   (Medical Dictionary)

Medical Definition of LEAST

superlative of little