; - Example: "the bill was astronomically high"
The Collaborative International Dictionary of English v.0.48:
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.
Astronomical clock. See under Clock.
Astronomical day. See under Day.
Astronomical fractions, Astronomical numbers. See under
WordNet (r) 3.0 (2006):
adv 1: enormously; "the bill was astronomically high"