12
alarming(adjective, awful, terrible, fear, foul)
12
despicable(adjective, mean, evil, nasty, offensive)
12
distasteful(adjective, mean, nasty, offensive, unpleasant)
12
flagitious(adjective, awful, terrible, afraid)
12
objectionable(adjective, dull, nasty, offensive, unpleasant)
12
terrific(adjective, great, tough, intense, awful)
11
creepy(adjective, nasty, awful, terrible, disgusting)
11
detestable(adjective, evil, nasty, offensive, unpleasant)
11
formidable(adjective, great, tough, unpleasant, awful)
11
grotesque(adjective, evil, terrible, common, vicious)
11
hateful(adjective, mean, severe, nasty, pain)
11
lousy(adjective, bad, offensive, unpleasant, awful)
11
nauseous(adjective, unpleasant, awful, terrible, disgusting)
10
base(adjective, evil, nasty, offensive, unpleasant)
10
damnable(adjective, evil, awful, terrible, vile)
10
hellish(adjective, evil, offensive, unpleasant, awful)
10
iniquitous(adjective, evil, wicked, immoral, shocking)
10
painful(adjective, fear, endured, ugliness)
9
direful(adjective, awful, terrible, fear, afraid)
9
noxious(adjective, evil, nasty, offensive, unpleasant)
10 years ago|32k views|share |citing 
APASmart Define. (2016). horrible thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/horrible/thesaurus/synonyms
ChicagoSmart Define. 2016. "horrible thesaurus" https://smartdefine.org/horrible/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, horrible thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/horrible/thesaurus/synonyms>.
MLASmart Define. "horrible thesaurus" 3 April 2016. Web. 25 September 2026. <https://smartdefine.org/horrible/thesaurus/synonyms>