Found 2 items, similar to astronomically.
English → English (WordNet) Definition: astronomically astronomically adv : enormously; “the bill was astronomically high”
English → English (gcide) Definition: Astronomically Astronomical \As`tro*nom"ic*al\ (-[i^]*kal), a. [L. astronomicus, Gr. 'astronomiko`s: cf. F. astronomique.] Of or pertaining to astronomy; in accordance with the methods or principles of astronomy. -- As`tro*nom"ic*al*ly, adv. [1913 Webster] Astronomical clock. See under Clock. Astronomical day. See under Day. Astronomical fractions, Astronomical numbers. See under Sexagesimal. [1913 Webster]