Definition of mirific in US English:

mirific

adjective

  • That works wonders; exciting wonder or astonishment; marvellous. Also (humorously) in weakened sense.

Origin

Late 15th century; earliest use found in William Caxton (1415x24–1492), printer, merchant, and diplomat. From Middle French, French mirifique causing wonder or admiration, amazing and its etymon classical Latin mīrificus from mīrus wonderful + -ficus.

Pronunciation

mirific

/ˌmʌɪˈrɪfɪk/