astronomical
adjective
as·tro·nom·i·cal
ˌa-strə-ˈnä-mi-kəl 
variants
or less commonly astronomic
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
Hundreds of science teams from all over the world compete for observing time on the veteran space telescope, pursuing a multitude of challenging astronomical research projects that can't be accomplished by any other star-watching machine.
—
Tereza Pultarova, Space.com, 17 Oct. 2025
The demand for Cena’s final match, scheduled for the December 13 Saturday Night’s Main Event, is already astronomical, with reports of over 45,000 people in the virtual ticket queue for an arena that holds roughly a third of that number.
—Andrew Ravens, MSNBC Newsweek, 17 Oct. 2025
However, its origins and astronomical growth over the past few weeks are a lot easier to explain.
—Kevin Dolak, HollywoodReporter, 16 Oct. 2025
Astronomers train users to recognize patterns in faint, fuzzy patches of radio waves and analyze astronomical images, Hota explained.
—Ashley Strickland, CNN Money, 14 Oct. 2025
See All Example Sentences for astronomical
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Tereza Pultarova, Space.com, 17 Oct. 2025
The demand for Cena’s final match, scheduled for the December 13 Saturday Night’s Main Event, is already astronomical, with reports of over 45,000 people in the virtual ticket queue for an arena that holds roughly a third of that number.
—Andrew Ravens, MSNBC Newsweek, 17 Oct. 2025
However, its origins and astronomical growth over the past few weeks are a lot easier to explain.
—Kevin Dolak, HollywoodReporter, 16 Oct. 2025
Astronomers train users to recognize patterns in faint, fuzzy patches of radio waves and analyze astronomical images, Hota explained.
—Ashley Strickland, CNN Money, 14 Oct. 2025
See All Example Sentences for astronomical
Cite this Entry
“Astronomical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astronomical. Accessed 27 Oct. 2025.
Copy CitationKids Definition
astronomical
adjective
as·tro·nom·i·cal
ˌas-trə-ˈnäm-i-kəl
variants
also astronomic
1
: of or relating to astronomy
2
: extremely or unbelievably large
the cost was astronomical
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