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
Synonyms
- Brobdingnagian
- bumper
- colossal
- cosmic
- cosmical
- cyclopean
- elephantine
- enormous
- galactic
- gargantuan
- giant
- gigantesque
- gigantic
- grand
- herculean
- heroic
- heroical
- Himalayan
- huge
- humongous
- humungous
- immense
- jumbo
- king-size
- king-sized
- leviathan
- mammoth
- massive
- mega
- mighty
- monster
- monstrous
- monumental
- mountainous
- oceanic
- pharaonic
- planetary
- prodigious
- super
- super-duper
- supersize
- supersized
- titanic
- tremendous
- vast
- vasty
- walloping
- whacking
- whopping
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
Tips on how to view astronomical events in Wisconsin:
The best conditions to see the night sky will be with clear skies without clouds or haze.
—
Journal Sentinel, 23 Apr. 2024
Better yet, there's a lot of astronomical activity within this timeframe, making these relationships' potential even more powerful.
—Skyler Caruso, Peoplemag, 20 Apr. 2024
Studying these pulses, which can also come from mergers of some exotic astronomical objects such as black holes and neutron stars, can help astronomers like me understand the history of the universe.
—Amy Lien, Discover Magazine, 19 Apr. 2024
Its stock fell almost 7% on the Thursday, but Brophy said that the market’s reaction was more a product of its astronomical expectations than any real failures at TSMC.
—Dylan Sloan, Fortune, 18 Apr. 2024
During the moon’s astronomical photobomb of the sun on April 8, the songwriter posted an update to Instagram.
—Stephen Humphries, The Christian Science Monitor, 17 Apr. 2024
Boise is set for a double astronomical event next week when the Pink Moon arrives just a day after the Lyrid meteor shower peaks above the United States.
—Shaun Goodwin, Idaho Statesman, 17 Apr. 2024
Look into local observatories or stargazing tours to up the astronomical ante.
—Maya Silver, Condé Nast Traveler, 11 Apr. 2024
The telescope design was a global effort, led by NASA, and intended to push the boundaries of astronomical observation with revolutionary engineering.
—Discover Magazine, 11 Apr. 2024
Journal Sentinel, 23 Apr. 2024
Better yet, there's a lot of astronomical activity within this timeframe, making these relationships' potential even more powerful.
—Skyler Caruso, Peoplemag, 20 Apr. 2024
Studying these pulses, which can also come from mergers of some exotic astronomical objects such as black holes and neutron stars, can help astronomers like me understand the history of the universe.
—Amy Lien, Discover Magazine, 19 Apr. 2024
Its stock fell almost 7% on the Thursday, but Brophy said that the market’s reaction was more a product of its astronomical expectations than any real failures at TSMC.
—Dylan Sloan, Fortune, 18 Apr. 2024
During the moon’s astronomical photobomb of the sun on April 8, the songwriter posted an update to Instagram.
—Stephen Humphries, The Christian Science Monitor, 17 Apr. 2024
Boise is set for a double astronomical event next week when the Pink Moon arrives just a day after the Lyrid meteor shower peaks above the United States.
—Shaun Goodwin, Idaho Statesman, 17 Apr. 2024
Look into local observatories or stargazing tours to up the astronomical ante.
—Maya Silver, Condé Nast Traveler, 11 Apr. 2024
The telescope design was a global effort, led by NASA, and intended to push the boundaries of astronomical observation with revolutionary engineering.
—Discover Magazine, 11 Apr. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'astronomical.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Articles Related to astronomical
Dictionary Entries Near astronomical
Cite this Entry
“Astronomical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astronomical. Accessed 30 Apr. 2024.
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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