3
ungodly(adjective, awful, terrible, horrible, afraid)
3
unholy(adjective, awful, terrible, horrible, afraid)
3
unsettling(adjective, awful, terrible, horrible, afraid)
3
very bad(adjective, awful, terrible, horrible, afraid)
3
vicious(adjective, awful, terrible, horrible, afraid)
3
weighty
3
woeful(adjective, awful, terrible, horrible, afraid)
3
woesome(adjective, awful, terrible, horrible, afraid)
3
wretched(adjective, awful, terrible, horrible, afraid)
2
alarming(awful, terrible, fear, horrible, grand)
2
behemoth(adjective, big)
2
considerable
2
dreamy(adjective, good, informal)
2
elevated(adjective, great, excellent, big, wonderful)
2
endless(adjective, great, big, huge, vast)
2
expansive(adjective, large)
2
fine(adjective, good, bad, cool, great)
2
generous(adjective, large)
2
ghoulish(awful, terrible, dreadful)
2
ginormous
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APASmart Define. (2016). tremendous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/tremendous/thesaurus/synonyms
ChicagoSmart Define. 2016. "tremendous thesaurus" https://smartdefine.org/tremendous/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, tremendous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/tremendous/thesaurus/synonyms>.
MLASmart Define. "tremendous thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/tremendous/thesaurus/synonyms>