12
terrific(adjective, great, tough, intense, unpleasant)
11
agonizing(adjective, painful, sickness, ache, endured)
11
enormous(adjective, terrible, horrible, afraid)
11
excruciating(adjective, painful, sickness, ache, endured)
11
flagitious(adjective, terrible, horrible, afraid)
11
formidable(adjective, great, terrible, property, fear)
11
hateful(adjective, mean, nasty, offensive, terrible)
11
intolerable(adjective, severe, terrible, vile, horrible)
10
abysmal(adjective, terrible, horrible, afraid)
10
awe-inspiring(adjective, severe, wonderful, fear, extreme)
10
grotesque(adjective, plain, unpleasant, strange, ugly)
10
iniquitous(adjective, wicked)
10
lamentable(adjective, sad, unhappy, terrible, grim)
10
lurid(adjective, nasty, unpleasant, terrible, disgusting)
10
nauseous
10
noxious(adjective, mean, bad, nasty, offensive)
10
piercing(adjective, painful, sickness, ache, endured)
10
second-rate(adjective, useless, worthless, arouse bad emotions, crummy)
10
tormenting(adjective, painful, sickness, ache, endured)
10
unbearable(adjective, severe, unpleasant, terrible, disgusting)
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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>