definitions

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 /
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SEE MORE SYNONYMS FOR astronomical ON THESAURUS.COM

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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RELATED WORDS

enormous, tremendous, humongous, colossal, monumental, whopping, gigantic, considerable, vast, sizeable, huge, excessive, monstrous, immense, mammoth, massive, gargantuan, prodigious, epic, jumbo

Nearby words

astronautical engineering, astronautics, astronavigation, astronomer, astronomer royal, astronomical, astronomical clock, astronomical distance, astronomical frame of reference, astronomical refraction, astronomical telescope

Origin of astronomical

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

Related forms

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. 2019

Examples from the Web for astronomic

British Dictionary definitions for astronomic

astronomical

astronomic

/ (ˌæstrəˈnɒmɪkəl) /

adjective

enormously large; immense
of or relating to astronomy

Derived Forms

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