Dictionary.com

astronomical

[ as-truh-nom-i-kuhl ]
/ ˌæs trəˈnɒm ɪ kəl /
Save This Word!
See synonyms for: astronomical / astronomically on Thesaurus.com

adjective

of, relating to, or connected with astronomy.
extremely large; exceedingly great; enormous: It takes an astronomical amount of money to build a car factory.

QUIZZES

QUIZ YOURSELF ON “ITS” VS. “IT’S”!

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Also as·tro·nom·ic [as-truh-nom-ik] /ˌæs trəˈnɒm ɪk/ .

Origin of astronomical

First recorded in 1550–60; from Latin astronomic(us) (from Greek astronomikós ) + -al1;see astronomy, -ic
as·tro·nom·i·cal·ly, adverbnon·as·tro·nom·ic, adjectivenon·as·tro·nom·i·cal, adjectivenon·as·tro·nom·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for astronomical

astronomical

astronomic

/ (ˌæstrəˈnɒmɪkəl) /

adjective

enormously large; immense
of or relating to astronomy
astronomically, adverb
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
Hate Typos? Get Grammar Coach