as·​tro·​nom·​i·​cal | \ ˌa-strə-ˈnä-mi-kəl How to pronounce astronomical (audio) \
variants: or less commonly astronomic \ ˌa-​strə-​ˈnä-​mik How to pronounce astronomical (audio) \

Definition of astronomical

1 : of or relating to astronomy astronomical observations
2 : enormously or inconceivably large or great astronomical numbers an astronomical price

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Other Words from astronomical

astronomically \ ˌa-​strə-​ˈnä-​mi-​k(ə-​)lē How to pronounce astronomical (audio) \ adverb

Examples of astronomical in a Sentence

The cost of the office building was astronomical. We got an astronomical telephone bill this month.
Recent Examples on the Web The chances of Jessup and Alston playing for the Warriors is astronomical. Rusty Simmons, San Francisco Chronicle, 10 June 2021 His backing helped feed astronomical price gains ahead of the recent crypto crash. Julia Horowitz, CNN, 2 June 2021 In spite of these recent losses, traders should remember that the digital currency has experienced some astronomical gains this year, climbing from under $750 to roughly $4,380. Charles Bovaird, Forbes, 19 May 2021 The pandemic has fueled astronomical gains in the stock prices of Ping An Good Doctor and rival Alibaba Health, a unit of e-commerce giant Alibaba Group. Fortune, 4 Mar. 2021 Under the surface, many individual stocks logged even more astronomical gains than the broader market. Gunjan Banerji, WSJ, 1 Jan. 2021 For that reason, one of the most powerful astronomical observatories in the world is located on this island. Cecilia Rodriguez, Forbes, 30 May 2021 But turn astronomical observatories or even a space probe on our nearest celestial neighbor, and suddenly millions appear. New York Times, 27 Apr. 2021 But this was not to be—not yet, anyway—as the ensuing COVID pandemic shut down astronomical observatories and most everything else around the globe. Lee Billings, Scientific American, 10 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'astronomical.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of astronomical

1551, in the meaning defined at sense 1

History and Etymology for astronomical

see astronomy

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Time Traveler for astronomical

Time Traveler

The first known use of astronomical was in 1551

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Statistics for astronomical

Last Updated

19 Jun 2021

Cite this Entry

“Astronomical.” Dictionary, Merriam-Webster, Accessed 23 Jun. 2021.

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More Definitions for astronomical



English Language Learners Definition of astronomical

: of or relating to astronomy
: extremely large


as·​tro·​nom·​i·​cal | \ ˌa-strə-ˈnä-mi-kəl How to pronounce astronomical (audio) \
variants: or astronomic \ -​ik \

Kids Definition of astronomical

1 : of or relating to astronomy
2 : extremely or unbelievably large

Other Words from astronomical

astronomically adverb


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