Famous definition

fāməs

Well or widely known.

adjective

First-rate; excellent.

Had a famous time at the party.

adjective

Well known.

adjective

In the public eye.

Some people are only famous within their city.

adjective

The definition of famous is someone or something that is very well known by a lot of people.

An example of famous is a movie star.

adjective

Much talked about; having fame, or celebrity; renowned.

adjective

(informal) Excellent; very good; first-rate.

adjective

(archaic) Notorious.

adjective

Other Word Forms

Base Form:

famous

Superlative:

famousest

Middle English from Anglo-Norman from Latin fāmōsus from fāma fame bhā-² in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From Anglo-Norman famous, from Old French fameus (modern French fameux).

From Wiktionary