26 entries under huge topic. ×

12
astronomic
12
vast(adjective, large, expensive, high-priced)
9
enormous(adjective, expensive, high-priced, pricey)
7
tremendous
6
gigantic(adjective, immeasurable)
6
epic
6
massive
6
prodigious(adjective, expensive, high-priced, pricey)
5
colossal
5
monumental
4
considerable(adjective, significant, substantial, large, excessive)
4
monster(adjective, informal)
3
cosmic(adjective, common, general, broad)
3
great(adjective, significant, substantial, high, large)
3
jumbo
3
mammoth
2
big(significant, substantial, large, immense)
2
extensive(common, significant, substantial, large)
2
humongous(adjective, informal)
2
sizeable(adjective, significant, substantial, large, excessive)
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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>