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
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
The watch’s astronomical complication tracks the night sky with a calibration to Shanghai, China.
—Allen Farmelo, Robb Report, 11 Apr. 2024
Those odds are an even more astronomical 1 in 30.821 million.
—Joe Marusak, Charlotte Observer, 10 Apr. 2024
The solar eclipse, one of the biggest astronomical events of the century, will begin at 1:52 p.m. on Monday.
—Haadiza Ogwude, The Enquirer, 8 Apr. 2024
The citywide celebration — dubbed Obscura BTV — was a full weekend of infotainment of astronomical proportions and merchandising galore.
—Riley Robinson, The Christian Science Monitor, 8 Apr. 2024
The astronomers were using the best astronomical technology of the time, photographic plates, which are large exposures taken on glass instead of film.
—Rebecca Boyle, TIME, 8 Apr. 2024
The total solar eclipse, one of the biggest astronomical events of the century, is Monday!
—Haadiza Ogwude, The Enquirer, 3 Apr. 2024
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
The watch’s astronomical complication tracks the night sky with a calibration to Shanghai, China.
—Allen Farmelo, Robb Report, 11 Apr. 2024
Those odds are an even more astronomical 1 in 30.821 million.
—Joe Marusak, Charlotte Observer, 10 Apr. 2024
The solar eclipse, one of the biggest astronomical events of the century, will begin at 1:52 p.m. on Monday.
—Haadiza Ogwude, The Enquirer, 8 Apr. 2024
The citywide celebration — dubbed Obscura BTV — was a full weekend of infotainment of astronomical proportions and merchandising galore.
—Riley Robinson, The Christian Science Monitor, 8 Apr. 2024
The astronomers were using the best astronomical technology of the time, photographic plates, which are large exposures taken on glass instead of film.
—Rebecca Boyle, TIME, 8 Apr. 2024
The total solar eclipse, one of the biggest astronomical events of the century, is Monday!
—Haadiza Ogwude, The Enquirer, 3 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 19 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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