13
horrid(adjective, awful, terrible, fear, horrible)
13
humongous(adjective, great, large, huge, vast)
13
marvelous(adjective, good, bad, great, excellent)
13
terrible(adjective, great, tough, fear, huge)
12
amazing(adjective, great, excellent, superb, marvelous)
11
dire(adjective, pain, awful, terrible, fear)
11
fabulous(adjective, good, cool, great, excellent)
11
fantastic(adjective, good, bad, great, excellent)
11
horrible(adjective, awful, terrible, fear, afraid)
11
howling(adjective, awful, terrible, horrible, afraid)
10
cyclopean(adjective, big, giant)
10
ghastly(adjective, awful, terrible, fear, horrible)
10
shocking(adjective, pain, awful, terrible, fear)
10
whopping(adjective, slang, big, huge, overwhelming)
9
dread(adjective, awful, terrible, fear, horrible)
9
extensive(adjective, strong, large, huge, vast)
9
extraordinary(adjective, strong, great, excellent, powerful)
9
horrendous(adjective, awful, terrible, horrible, afraid)
9
magnificent(adjective, strong, great, excellent, powerful)
9
marvellous(adjective, excellent, superb)
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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>