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astronomical

or as·tro·nom·ic

[as-truh-nom-i-kuh l or as-truh-nom-ik]
See more synonyms for astronomical on Thesaurus.com
adjective
  1. of, relating to, or connected with astronomy.
  2. extremely large; exceedingly great; enormous: It takes an astronomical amount of money to build a car factory.
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Origin of astronomical

1550–60; < Latin astronomic(us) (< Greek astronomikós; see astronomy, -ic) + -al1
Related formsas·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. 2018

Related Words

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

Examples from the Web for astronomic

Historical Examples

  • The astronomic relationship between the two is very evident.

    The Chinese Fairy Book

    Various

  • And he wished his faculties to work with astronomic punctuality.

    Robert Orange

    John Oliver Hobbes

  • His great circles and spirals have a kind of astronomic completeness.

    Under the Maples

    John Burroughs

  • Emerson speaks of Swedenborg's faculties working with astronomic punctuality, and this would apply to Purcell's musical faculties.

    Purcell

    John F. Runciman

  • Suffice it to quote a few “astronomic” figures in order to gauge the insuperable obstacles in the way of a reasonable Budget.

    The Russian Turmoil

    Anton Ivanovich Denikin

British Dictionary definitions for astronomic

astronomical

astronomic

adjective
  1. enormously large; immense
  2. of or relating to astronomy
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Derived Formsastronomically, 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

Word Origin and History for astronomic

astronomical

adj.

1550s, from astronomy + -ical. Popular meaning "immense, concerning very large figures" (as sizes and distances in astronomy) is attested from 1899. Astronomical unit (abbreviation A.U.) "mean distance from Earth to Sun," used as a unit of measure of distance in space, is from 1909. Related: Astronomically.

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Online Etymology Dictionary, © 2010 Douglas Harper