astronomical

Also as·tro·nom·ic

[as-truh-nom-i-kuhl]

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

/ ˌæstrəˈnɒmɪkəl /

adjective

1. enormously large; immense

2. of or relating to astronomy

Other Word Forms

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

Word History and Origins

Origin of astronomical¹

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

Example Sentences

Meanwhile, concerns have grown about the astronomical costs to develop AI, as well as consumers’ willingness to pay for it.

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As a result, many foreign and American companies have announced astronomical investments -- worth trillions, according to the White House -- in their factories and other sites on American soil.

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Understanding the origins and characteristics of near-Earth asteroids is essential to estimating the risk of such objects in space hitting our planet and other astronomical bodies in orbit.

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Different parts of the astronomical community chose to define supermoons in slightly varying ways.

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But keep in mind the gaming company being sold for such an astronomical amount is not the primary reason the sale is a hot topic of conversation.

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Related Words

• colossal 
• considerable 
• enormous 
• gigantic 
• humongous 
• monumental 
• sizeable 
• tremendous 
• vast 
• whopping