adjective
Definition: Having a smaller amount or degree compared to something else.
Example: She has less time to study than her classmates.
adverb
Definition: To a smaller extent or degree; not as much as something else.
Example: She is less interested in sports than her brother.
noun
Definition: A smaller amount or quantity of something, often used to compare with a larger amount.
Example: He has less money than he did last year.
preposition
Definition: A word used to indicate a smaller amount or degree of something, often in comparison to another amount.
Example: I have less money than I did last month.