5
dreadfully(adverb, big)
5
extremely(adverb, big)
5
ferocious(adjective, strong, severe, intense, violent)
5
fiendish(adjective, wicked)
5
hair-raising(adjective, terrible, horrible, afraid)
5
hurtful(adjective, sickness, ache, anguishes)
5
ill
5
impressive(tough, difficult, wonderful, amazing, grand)
5
insupportable(adjective, endured)
5
low-grade(adjective, arouse bad emotions)
5
malevolent(adjective, mean, strong, severe, nasty)
5
malicious(adjective, mean, nasty, wicked, hateful)
5
mephitic(adjective, bad, offensive, foul, disgusting)
5
middling(adjective, arouse bad emotions)
5
objectionable(adjective, bad, nasty, offensive, unpleasant)
5
portentous(adjective, fear)
5
redoubtable(adjective, tough, difficult, terrible, fear)
5
rough(adjective, bad, tough, poor, nasty)
5
saddening(adjective, sickness, ache, anguishes)
5
scurvy
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APASmart Define. (2016). awful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/awful/thesaurus/synonyms
ChicagoSmart Define. 2016. "awful thesaurus" https://smartdefine.org/awful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, awful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/awful/thesaurus/synonyms>.
MLASmart Define. "awful thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/awful/thesaurus/synonyms>