astronomical

or as·tro·nom·ic

[ as-truh-nom-i-kuh l or as-truh-nom-ik ]
/ ˌæs trəˈnɒm ɪ kəl or ˌæs trəˈnɒm ɪk /

adjective

of, relating to, or connected with astronomy.
extremely large; exceedingly great; enormous: It takes an astronomical amount of money to build a car factory.

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decorum

Origin of astronomical

1550–60; < Latin astronomic(us) (< Greek astronomikós; see astronomy, -ic) + -al1

OTHER WORDS FROM astronomical

as·tro·nom·i·cal·ly, adverbnon·as·tro·nom·ic, adjectivenon·as·tro·nom·i·cal, adjectivenon·as·tro·nom·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for astronomic

British Dictionary definitions for astronomic

astronomical

astronomic

/ (ˌæstrəˈnɒmɪkəl) /

adjective

enormously large; immense
of or relating to astronomy

Derived forms of astronomical

astronomically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012