9 Grammatical Pitfalls


[as-truh-nom-i-kuh l] /ˌæs trəˈnɒm ɪ kəl/
of, relating to, or connected with astronomy.
extremely large; exceedingly great; enormous:
It takes an astronomical amount of money to build a car factory.
Also, astronomic.
Origin of astronomical
1550-60; < Latin astronomic(us) (< Greek astronomikós; see astronomy, -ic) + -al1
Related forms
astronomically, adverb
nonastronomic, adjective
nonastronomical, adjective
nonastronomically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for astronomical
  • Unraveling an astronomical mystery and a presidency.
  • The world's oldest astronomical calculator is famous for having intricate gear systems centuries ahead of their time.
  • As the pace of astronomical discovery grew, so did the job.
  • Some ridiculous pedants on here discussing spelling instead of this wonderful astronomical event.
  • Astrology does rest on precise astronomical measurement which is unique among the mantic arts.
  • He made collages from pulpy ephemera such as starlet photographs and astronomical maps.
  • It will take the astronomical costs out of astronautics.
  • Now that you know the basics of the seasons, see if you can identify the four days of the astronomical calendar on our cosmic map.
  • There you can admire stone rings used to calculate astronomical cycles and you can also marvel at the remains of a mural.
  • However, in the midst of fame and glory comes an astronomical responsibility.
British Dictionary definitions for astronomical


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
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Word Origin and History for astronomical

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.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for astronomical



Inconceivably large: an astronomical price for that car

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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