A0487500 (ăs′trə-nŏm′ĭ-kəl) also as·tro·nom·ic(-nŏm′ĭk)adj.1. Of or relating to astronomy.2. Of enormous magnitude; immense: an astronomical increase in the deficit.as′tro·nom′i·cal·ly adv.Thesaurus
Adv.
1.
astronomically - enormously; "the bill was astronomically high"