300 entries under adjective topic. ×

5
phenomenal(great, excellent, superb, wonderful)
5
rattling
5
redoubtable(tough, difficult, awful, terrible)
5
terrifying(awful, terrible, horrible, afraid)
5
titan(feature, characteristic, size)
4
Bunyanesque(big, giant)
4
abominable(awful, terrible, horrible, afraid)
4
copious(large, huge, vast)
4
dandy(good, great, informal, wonderful)
4
desperate(awful, terrible, horrible, afraid)
4
epic
4
fearsome(fear, grand, splendid, overwhelming)
4
grievous(awful, terrible, horrible, afraid)
4
groovy(good, cool, great, pleasant)
4
hair-raising(awful, terrible, horrible, afraid)
4
infinite(great, big, huge, vast)
4
keen(good, great, excellent, slang)
4
leviathan
4
nasty(awful, terrible, horrible, afraid)
4
neat(good, great, excellent, slang)
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APASmart Define. (2016). tremendous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tremendous/thesaurus/synonyms
ChicagoSmart Define. 2016. "tremendous thesaurus" https://smartdefine.org/tremendous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, tremendous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tremendous/thesaurus/synonyms>.
MLASmart Define. "tremendous thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/tremendous/thesaurus/synonyms>