| celestial(adjective, common, universal, general, broad) | |
| considerable(adjective, significant, substantial, large, excessive) | |
| heavenly(adjective, celestial, astral) | |
| large(significant, substantial) | |
| lunar | |
| monster(adjective, informal, huge) | |
| outrageous(adjective, expensive, high-priced, pricey, pricely) | |
| stellar(adjective, total, common, regular, whole) | |
| cosmic(adjective, common, huge, general, broad) | |
| astrophysical(adjective, planetary, astral) | |
| boundless | |
| excessive(adjective, extraordinary, extreme, expensive, high-priced) | |
| expensive(adjective, extraordinary, extreme, high-priced, pricey) | |
| extreme(adjective, extraordinary, expensive, high-priced, pricey) | |
| giant | |
| great(adjective, significant, substantial, high, large) | |
| immeasurable | |
| interplanetary(adjective, space, stellar, planetary) | |
| interstellar(adjective, space, stellar, planetary) | |
| jumbo(adjective, huge) |
For more, visit
Astronomical on
Power Thesaurus
| APA | Smart Define. (2015). astronomical thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/astronomical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "astronomical thesaurus" https://smartdefine.org/astronomical/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, astronomical thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/astronomical/thesaurus/synonyms>. |
| MLA | Smart Define. "astronomical thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/astronomical/thesaurus/synonyms> |