Definition of merveilleux in English:

merveilleux

noun

historical
  • Incroyable.

Origin

Mid 19th century; earliest use found in Sydney Morgan (bap. 1783, d. 1859), novelist and socialite. From French merveilleux, use as noun of merveilleux.

Pronunciation

merveilleux

/ˌməːveɪˈjəː/