Origin: 1350–1400; ME < AF < L
fāmōsus. See fame, -ous 
Related forms: fa⋅mous⋅ly, adverb
fa⋅mous⋅ness, noun
Synonyms:
1. famed, notable, illustrious. Famous, celebrated, eminent, distinguished refer to someone or something widely and favorably known. Famous is the general word: a famous lighthouse. Celebrated originally referred to something commemorated, but now usually refers to someone or something widely known for conspicuous merit, services, etc.: a celebrated writer. Eminent implies high standing among one's contemporaries, esp. in one's own profession or craft: an eminent physician. Distinguished adds to eminent the idea of honors conferred more or less publicly: a distinguished scientist.
Antonyms:
1. unknown, obscure.