6
dreaded(adjective, awful, terrible, horrible, afraid)
6
exceptional(adjective, great, excellent, fantastic, groovy)
6
frightening(adjective, awful, terrible, horrible, afraid)
6
grim(bad, pain, awful, terrible, horrible)
6
gross(adjective, awful, terrible, horrible, afraid)
6
gruesome(adjective, awful, terrible, horrible, afraid)
6
hideous(adjective, awful, terrible, horrible, afraid)
6
immeasurable(adjective, big, large, huge, vast)
6
morbid(adjective, awful, terrible, horrible, afraid)
6
mortal(adjective, awful, terrible, horrible, afraid)
6
spacious(adjective, large)
5
ample(adjective, large)
5
bad(adjective, awful, terrible, horrible, afraid)
5
capacious(adjective, large)
5
galactic
5
glorious(adjective, good, great, excellent, superb)
5
harrowing(adjective, pain, awful, terrible, horrible)
5
heroic(adjective, big)
5
horrific(bad, great, tough, awful, terrible)
5
hot(adjective, good, great, slang, wonderful)
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APASmart Define. (2016). tremendous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tremendous/thesaurus/synonyms
ChicagoSmart Define. 2016. "tremendous thesaurus" https://smartdefine.org/tremendous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, tremendous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tremendous/thesaurus/synonyms>.
MLASmart Define. "tremendous thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/tremendous/thesaurus/synonyms>