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.

---

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

---

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

---

Etymology

Origin of least

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

Example Sentences

Drivers are advised to stay inside their vehicles at least 30 minutes after the last sound of thunder.

From Los Angeles Times • Apr. 6, 2026

Even the path of least resistance, however, has economic repercussions.

From Barron's • Apr. 5, 2026

Recent years have given lone inventors a new tool that could at least partly level the playing field: artificial intelligence.

From The Wall Street Journal • Apr. 5, 2026

A dedication from a soldier to Mercurius Alatheus, dated September 9, 246 CE, shows that the sanctuary remained active at least into the mid-3rd century CE.

From Science Daily • Apr. 5, 2026

At least, thought Torak, he has his weapons with him, and my knife for company.

From "Wolf Brother" by Michelle Paver