Meaning & use
astronomical
Relating to astronomy, or so large in scale that it seems almost impossible to measure.
See it in a sentence
The bridge was rebuilt at an astronomical cost that shocked local taxpayers.
Astronomical observations from the new telescope revealed several previously unknown galaxies.
A note on using this word
Astronomical is far more common than astronomic in both technical and figurative use, especially when describing large numbers.
Words with a similar meaning
hugeenormous
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
tiny
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