Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

astronomical

play
adjective as·tro·nom·i·cal \ˌas-trə-ˈnä-mi-kəl\

Simple Definition of astronomical

  • : of or relating to astronomy

  • : extremely large

Source: Merriam-Webster's Learner's Dictionary

Full Definition of astronomical

  1. 1 :  of or relating to astronomy <astronomical observations>

  2. 2 :  enormously or inconceivably large or great <astronomical numbers>

astronomically

play \-mi-k(ə-)lē\ adverb

Examples of astronomical in a sentence

  1. The cost of the office building was astronomical.

  2. We got an astronomical telephone bill this month.



1556

First Known Use of astronomical

1556

Variants of astronomical

also

astronomic

play \-mik\

Rhymes with astronomical


ASTRONOMICAL Defined for Kids

astronomical

play
adjective as·tro·nom·i·cal \ˌa-strə-ˈnä-mi-kəl\

Definition of astronomical for Students

  1. 1 :  of or relating to astronomy <astronomical research>

  2. 2 :  extremely or unbelievably large <The cost was astronomical.>

astronomically

adverb <an astronomically large amount>


Variants of astronomical

or

astronomic

\-ik\


Seen and Heard

What made you want to look up astronomical? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

of, relating to, or near a shore

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

rebellion interruption torrent megillah
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ