ASTRONOMICALLY
astronomically
(adverb) enormously; “the bill was astronomically high”
Source: WordNet® 3.1
Etymology
Adverb
astronomically (comparative more astronomically, superlative most astronomically)
(not comparable) Of or relating to astronomy.
(comparable, degree) In the extreme, very (typically very large).
Source: Wiktionary
ASTRONOMIC
As`tro*nom"ic, a.
Definition: Astronomical.
ASTRONOMICAL
As`tro*nom"ic*al, a. Etym: [L. astronomicus, Gr. astronomique.]
Definition: 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
Sexagesimal.
Source: Webster’s Unabridged Dictionary 1913 Edition