1796, from French incroyable, literally "incredible" (15c.), from in- "not, opposite of, without" (see in- (1)) + croire "to believe," from Latin credere (see credo). Name for the French fop or dandy of the period of the Directory (1795-99). Said to be so called from their extravagant dress and from a favorite expression among them ("C'est vraiment incroyable").
Examples from the Web for incroyable
About me there was a dash of the school-master, about them the soupon of a mirliflore or an incroyable.Frederic Chopin, Vol II (of 2)
This was more than the Incroyable had counted upon, and far from his desires.
"I alone must hover about the gates or steal into your garden like a thief," the Incroyable had said.
The Incroyable was a person of almost magical perceptiveness; he felt the let-down immediately and feared a failure.
The great light fell upon his fair hair and smiling face, and it was then that Miss Betty recognized the Incroyable of her garden.