Dictionary

astronomical

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

: of or relating to astronomy

: extremely large

Full Definition of ASTRONOMICAL

1
:  of or relating to astronomy <astronomical observations>
2
:  enormously or inconceivably large or great <astronomical numbers>
as·tro·nom·i·cal·ly \-mi-k(ə-)lē\ adverb

Variants of ASTRONOMICAL

as·tro·nom·i·cal also as·tro·nom·ic \-mik\

Examples of ASTRONOMICAL

  1. The cost of the office building was astronomical.
  2. We got an astronomical telephone bill this month.

First Known Use of ASTRONOMICAL

1556

Other Astronomy Terms

gibbous, nadir, nebulous, penumbra, retrograde, sidereal, syzygy, wane, wax, zenith

Rhymes with ASTRONOMICAL

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