Examples of astronomical in a sentence
The cost of the office building was astronomical.
We got an astronomical telephone bill this month.
Origin and Etymology of astronomical
First Known Use: 1551
ASTRONOMICAL Defined for English Language Learners
Definition of astronomical for English Language Learners
: of or relating to astronomy
: extremely large
ASTRONOMICAL Defined for Kids
Definition of astronomical for Students
1 : of or relating to astronomy astronomical research
2 : extremely or unbelievably large The cost was astronomical.
astronomicallyadverb an astronomically large amount
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