astronomical

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

Definition of astronomical

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

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

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.

Variants of astronomical

or less commonly

astronomic

play \-mik\

Origin and Etymology of astronomical

see astronomy


First Known Use: 1551


ASTRONOMICAL Defined for English Language Learners

astronomical

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

Definition of astronomical for English Language Learners

  • : of or relating to astronomy

  • : extremely large


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

a leading champion of a cause

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • fox-in-front-of-cabin-in-winter
  • The month of December comes from a Latin word that referred to which month of the year?
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