Definition of astronomical in English:

astronomical

Syllabification: as·tro·nom·i·cal
Pronunciation: /ˌastrəˈnämikəl
 
/

adjective

1Of or relating to astronomy.
More example sentences
  • The Moon could also become the principal astronomical observation platform in the solar system.
  • The first known astronomical observations made by Galileo were carried out in 1604 for different reasons.
  • This discovery was of great importance to the astronomical world, but Hubble's greatest moment was yet to come.
Synonyms
planetary, stellar; celestial, astral
2 informal (Of an amount) extremely large: he wanted an astronomical fee
More example sentences
  • It is spending astronomical amounts of money, alienating allies and further antagonizing opponents.
  • If you add all the money raised for cancer research each year, you will have an astronomical amount.
  • Even some of the more hardened observers are stunned by the astronomical amounts of money that can be made.
Synonyms
huge, enormous, very large, prodigious, monumental, colossal, vast, gigantic, massive; substantial, considerable, sizable, hefty; inordinate

Origin

mid 16th century: via Latin from Greek astronomikos, from astronomia (see astronomy).

Derivatives

astronomic

adjective
sense 2.
More example sentences
  • The most expensive city centre apartments sell for between £1m- £2m each - allowing developers to pay astronomic land prices.
  • But now there are fears that the astronomic cost of property will force away young or first-time buyers.
  • How can young people, burdened with student debt and the astronomic cost of property, put aside 15 per cent of their income as the experts advise?

astronomically

Pronunciation: /-ik(ə)lē/
adverb
More example sentences
  • Well, astronomically, it tells me that there are millions of galaxies and potentially billions of planets.
  • Food was scarce and astronomically expensive.
  • Residents of these neighbourhoods, where poverty and unemployment is astronomically high, complain of frequent and arbitrary police violence.

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