5
epic(adjective, excessive, immense, exorbitant, monumental)
5
excellent(adjective, cool, great, perfect, super)
5
extraordinary(strong, great, powerful, high, excessive)
5
heroic(adjective, big)
5
impressive(adjective, cool, large, master, lovely)
5
lofty(adjective, great, big, high, large)
5
magnificent(adjective, cool, large, master, lovely)
5
massy(adjective, big, giant)
5
monolithic(adjective, massive)
5
outstanding(adjective, cool, great, perfect, super)
5
overwhelming(great, tough, difficult, amazing, astonishing)
5
sizable(adjective, great, big, high, large)
5
superlative(adjective, great, perfect, super, first)
4
Bunyanesque(adjective, big, giant)
4
boundless(adjective, huge, vast, endless, immense)
4
cosmic
4
eminent(adjective, strong, great, perfect, big)
4
fabulous(adjective, cool, master, lovely, pippin)
4
marvelous(adjective, cool, great, superb, master)
4
profound
10 years ago|19k views|share |citing 
APASmart Define. (2016). colossal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/colossal/thesaurus/synonyms
ChicagoSmart Define. 2016. "colossal thesaurus" https://smartdefine.org/colossal/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, colossal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/colossal/thesaurus/synonyms>.
MLASmart Define. "colossal thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/colossal/thesaurus/synonyms>