'Fantastically' definitions:

Definition of 'fantastically'

From: WordNet
adverb
Exceedingly; extremely; "she plays fabulously well" [syn: fabulously, fantastically, incredibly]

Definition of 'Fantastically'

From: GCIDE
  • Fantastically \Fan*tas"tic*al*ly\, adv. In a fantastic manner. [1913 Webster]
  • the letter A, in scarlet, fantastically embroidered with gold thread, upon her bosom. --Hawthorne. [1913 Webster]