definitions

least

[ leest ]
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SEE MORE SYNONYMS FOR least ON THESAURUS.COM

adjective, a superl. of little with less or lesser as compar.

smallest in size, amount, degree, etc.; slightest: He gave the least amount of money of anyone.
lowest in consideration, position, or importance.

noun

something that is least; the least amount, quantity, degree, etc.
South Midland U.S. the youngest in a family or group.

adverb superl. of little with less as compar.

to the smallest extent, amount, or degree: That's the least important question of all. He talks least.

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RELATED WORDS

slightly, somewhat, partially, carelessly, halfway, inadequately, incompletely, insufficiently, notably, piecemeal, relatively, measurably, noticeably

Nearby words

leaseholder, leaseman, leash, leash law, leasing, least, least bittern, least common denominator, least common multiple, least flycatcher, least killifish

Idioms

    at least,
    1. at the lowest estimate or figure: The repairs will cost at least $100.
    2. at any rate; in any case: You didn't get a good grade, but at least you passed the course.
    Also at the least.
    not in the least, not in the smallest degree; not at all: I am not in the least concerned about the outcome of the World Series.

Origin of least

before 950; Middle English leest(e), Old English lǣst, superlative of lǣssa less

Can be confused

least lest let's
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for at least

least

/ (liːst) /

determiner

  1. the least the superlative of little you have the least talent of anyone
  2. (as pronoun; functioning as sing)least isn't necessarily worst
at least
  1. if nothing elseyou should at least try
  2. at the least
at the least or at least at the minimumat the least you should earn a hundred pounds
in the least (usually used with a negative) in the slightest degree; at allI don't mind in the least

adverb

the least superlative of little they travel the least of all

adjective

of very little importance or rank

Word Origin for least

Old English lǣst, superlative of lǣssa less
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with at least (1 of 2)

at least

1

Also, at the least. According to the lowest possible assessment, no less than. For example, At least a dozen more chairs are needed, or The job will take four hours at the least. [c. 1050]

2

Anyway, anyhow, as in At least you got there on time, or The children enjoyed the dessert at least. [c. 1050] For synonyms, see at any rate; in any case.

Idioms and Phrases with at least (2 of 2)

least

In addition to the idioms beginning with least

  • least of all
  • least resistance, line of

also see:

  • at least
  • in the least
  • last but not least
  • to say the least
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.