little(adjective)

small in size

He is only a little boy; when she was little (= a child).

little(adverb)

not much

I go out little nowadays.

little(adjective)

small in amount; not much

He has little knowledge of the difficulties involved.

little(adverb)

only to a small degree

a little-known fact.

little(adjective)

not important

I did not expect her to make a fuss about such a little thing.

little(adverb)

not at all

He little knows how ill he is.

little(pronoun)

(only) a small amount

He knows little of the real world.