The meaning of ASTRONOMICAL is of or relating to astronomy. How to use astronomical in a sentence.

ASTRONOMICAL definition: 1. connected with astronomy: 2. An astronomical amount is extremely large: 3. connected with…. Learn more.

An astronomical object, celestial object, stellar object or heavenly object is a naturally occurring physical entity, association, or structure that exists within the universe. [1] In astronomy, the terms object and …

Astronomical definition: of, relating to, or connected with astronomy.. See examples of ASTRONOMICAL used in a sentence.

1. Of or relating to astronomy. 2. Of enormous magnitude; immense: an astronomical increase in the deficit.

Dec 14, 2025 · astronomical (comparative more astronomical, superlative most astronomical) Drawings and pictures are more than mere ornaments in scientific discourse.

If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large indeed.

There are four meanings listed in OED's entry for the word astronomical, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Astronomy [usually: before a noun] of, relating to, or connected with astronomy. huge: astronomical debts. Astronomy of, pertaining to, or connected with astronomy. enormous: It takes an astronomical …

Britannica Dictionary definition of ASTRONOMICAL 1 : of or relating to astronomy astronomical research 2 : extremely large