a. [ L. fabulosus; cf. F. fabuleux. See Fable. ] 1. Feigned, as a story or fable; related in fable; devised; invented; not real; fictitious; as, a fabulous description; a fabulous hero. [ 1913 Webster ]
The fabulous birth of Minerva. Chesterfield. [ 1913 Webster ]
2. Beyond belief; exceedingly great; as, a fabulous price. Macaulay. [ 1913 Webster ]
3. Exceptionally good; extremely pleasing. [ informal ] [ PJC ]
Fabulous age, that period in the history of a nation of which the only accounts are myths and unverified legends; as, the fabulous age of Greece and Rome.
-- Fab"u*lous*ly adv. -- Fab"u*lous*ness, n. [ 1913 Webster ]