least

American  

[leest] / list /

adjective

1. smallest in size, amount, degree, etc.; slightest.

   He gave the least amount of money of anyone.

2. lowest in consideration, position, or importance.

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noun

1. something that is least; the least amount, quantity, degree, etc.

2. South Midland U.S. the youngest in a family or group.

adverb

1. to the smallest extent, amount, or degree.

   That's the least important question of all. He talks least.

idioms

1. at least, Also at the 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.

2. 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.

least British  

/ liːst /

determiner

1. 1. the superlative of little

      you have the least talent of anyone

   2. ( as pronoun; functioning as sing )

      least isn't necessarily worst

2. 1. if nothing else

      you should at least try

   2. at the least

3. at the minimum

   at the least you should earn a hundred pounds

4. (usually used with a negative) in the slightest degree; at all

   I don't mind in the least

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adverb

1. superlative of little

   they travel the least of all

adjective

1. of very little importance or rank

least More Idioms  

More idioms and phrases containing least

• at least
• in the least
• last but not least
• to say the least

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Etymology

Origin of least

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

Example Sentences

In the U.S. alone, it’s projected that there will be at least 100 million vehicles equipped with software that allows them to operate in at least some conditions without input from a human.

From MarketWatch

But at least for today, here on this street, “it just feels like a good place to be,” she said.

From Los Angeles Times

And there is at least one alleged “comrade” of the foursome, according to court documents, who appears to have been working with the group from well outside Southern California.

From Los Angeles Times

Since Hayes took charge, at least nine staffers have left or been placed on leave, according to interviews and published reports.

From Salon

"We must implement it, which implies mutual recognition between the countries, at least de facto recognition."

From Barron's