— astronomically , adv.
/as'treuh nom"i keuhl/ , adj.
1. of, pertaining to, or connected with astronomy.
2. extremely large; exceedingly great; enormous: It takes an astronomical amount of money to build a car factory. Also, astronomic .
[ 1550-60; astronomic ( us ) ( astronomikós; see ASTRONOMY, -IC) + -AL 1 ]