1

least

adjective \ ˈlēst \
Updated on: 18 Nov 2017

Definition of least

1 :lowest in importance or position
  • the least of my worries
2 a :smallest in size or degree
  • The least noise would startle her.
b :being a member of a kind distinguished by diminutive size
  • the least bittern
c :smallest possible :slightest
  • believed that the least government was the best government
  • —Irving Stone

Recent Examples of least from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'least.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of least

Middle English leest, from Old English lǣst, superlative of lǣssa less


2

least

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

Recent Examples of least from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'least.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of least

see 1least


3

least

adverb

Definition of least

:in the smallest or lowest degree
least of all
:especially not
  • no one, least of all the children, paid attention

Examples of least in a Sentence

  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.

Recent Examples of least from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'least.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of least

see 1least



LEAST Defined for English Language Learners

least

adjective

Definition of least for English Language Learners

  • : smallest in amount or degree


least

adverb

Definition of least for English Language Learners

  • : in or to the smallest degree


LEAST Defined for Kids

1

least

adjective \ ˈlēst \

Definition of least for Students

:smallest in size or degree
  • The least noise startles her.

2

least

noun

Definition of least for Students

:the smallest or lowest amount or degree
  • I don't mind in the least.
at least
1 :not less or fewer than
  • Read at least 20 pages.
2 :in any case
  • At least you have a choice.

3

least

adverb

Definition of least for Students

:in or to the smallest degree
  • You arrived when I least expected you.

Medical Dictionary

least

medical Definition of least



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