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Synonyms

astronomical

American  
[as-truh-nom-i-kuhl] / ˌæs trəˈnɒm ɪ kəl /
Also astronomic

adjective

  1. of, relating to, or connected with astronomy.

  2. extremely large; exceedingly great; enormous.

    It takes an astronomical amount of money to build a car factory.


astronomical British  
/ ˌæstrəˈnɒmɪkəl /

adjective

  1. enormously large; immense

  2. of or relating to astronomy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • astronomically adverb
  • nonastronomic adjective
  • nonastronomical adjective
  • nonastronomically adverb

Etymology

Origin of astronomical

First recorded in 1550–60; from Latin astronomic(us) (from Greek astronomikós ) + -al 1; astronomy, -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In fact, scientists revealed that the asteroid is only 11 metres across, comparable to a school bus — that may seem huge for us Earthlings, but in astronomical proportions that is tiny.

From Space Scoop

As I’m sure you know, the cost of college is astronomical.

From MarketWatch

To interpret any astronomical observation, researchers rely on models that describe what different types of objects should look like.

From Science Daily

The dying star was relatively close in astronomical terms: about 22 million light-years away, making it shine very bright.

From Space Scoop

"The cost of food is astronomical now and to feed a family of six is a huge amount of money," she said.

From BBC