Definitions

1. noun

the smallest amount or degree of something

“He got the least amount of sleep before the exam.”

2. adverb

in the smallest amount or degree

“She ate the least amount of food for dinner.”

3. adjective

being the smallest or lowest in amount or degree

“The least popular movie of the year.”

4. preposition

indicating the smallest or least of something

“The least of our worries is the noise from the neighbors.”

5. conjunction

used to introduce a contrast

“I wanted to go to the movies, least I wanted to stay home.”

6. interjection

an expression of reluctance or unwillingness

“Least of all, I want to do that!”