astronomical

adjective

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

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But after years of astronomical growth, Tesla has been on a downward slide. Ars Technica, 25 Dec. 2024 Many theories exist as to the original purpose of Stonehenge, including a burial site, astronomical observatory, religious or worship site, some sort of gesture or symbol, or a place of ritual or healing. Mary Walrath-Holdridge, USA TODAY, 21 Dec. 2024 As the official start of the astronomical winter, the sun reaches its most southerly point in the sky as seen from Earth. Samantha Mathewson, Space.com, 21 Dec. 2024 Here are the can’t-miss astronomical events of the coming year. Dean Regas, The Enquirer, 19 Dec. 2024 See all Example Sentences for astronomical 

Word History

Etymology

Late Latin astronomicus "of or relating to astronomy" (borrowed from Greek astronomikós "of astronomy, skilled in astronomy," from astronomía astronomy + -ikos -ic entry 1) + -al entry 1

First Known Use

1551, in the meaning defined at sense 1

Time Traveler
The first known use of astronomical was in 1551

Dictionary Entries Near astronomical

Cite this Entry

“Astronomical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astronomical. Accessed 4 Jan. 2025.

Kids Definition

astronomical

adjective
1
: of or relating to astronomy
2
: extremely or unbelievably large
the cost was astronomical

More from Merriam-Webster on astronomical

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!