142 entries under adjective topic. ×

4
heavenly(celestial, astral)
4
lunar
4
monster(informal, huge)
4
outrageous(expensive, high-priced, pricey, pricely)
4
stellar(total, common, regular, whole)
3
cosmic(common, huge, general, broad)
3
astrophysical(planetary, astral)
3
boundless
3
excessive(extraordinary, extreme, expensive, high-priced)
3
expensive(extraordinary, extreme, high-priced, pricey)
3
extreme(extraordinary, expensive, high-priced, pricey)
3
great(significant, substantial, high, large)
3
immeasurable
3
interplanetary(space, stellar, planetary)
3
interstellar(space, stellar, planetary)
3
jumbo
3
mammoth
2
costly(extraordinary, extreme, expensive, high-priced)
2
dear(extraordinary, extreme, expensive, high-priced)
2
exorbitant(extraordinary, extreme, expensive, high-priced)
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APASmart Define. (2015). astronomical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/astronomical/thesaurus/synonyms
ChicagoSmart Define. 2015. "astronomical thesaurus" https://smartdefine.org/astronomical/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, astronomical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/astronomical/thesaurus/synonyms>.
MLASmart Define. "astronomical thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/astronomical/thesaurus/synonyms>