adjective, modal particle, adverb, noun · small in number or quantity; less; seldom

来这里旅游的人很少。

verb, adjective · to lack or be missing from a total

数一下，还少一个人。

adjective, adverb · to stop doing something or to do something less (often used as a command)

你少管闲事。

idiom

这场精彩的演出老少皆宜。