Definition of Messianically in US English:

Messianically

adverb

  • 1As referring to the Messiah; by or in the manner of the Messiah.

  • 2In extended use: zealously, fervently.

Origin

Mid 19th century; earliest use found in ‘George Eliot’ (1819–1880), novelist (real name Mary Ann Evans). From Messianic + -ally; compare -ically.