4
intense(adjective, great, severe, extreme, serious)
4
objectionable
4
painful(adjective, endured)
4
sinister(awful, terrible, dreadful)
4
sordid(adjective, taste, dislike, awful, terrible)
4
ugly(adjective, severe, evil, plain, base)
4
unearthly(adjective, awful, terrible, unreasonable, shocking)
4
unpleasant(adjective, mean, severe, nasty, plain)
4
verminous(adjective, taste, dislike, awful, terrible)
3
acute(adjective, endured)
3
awe-inspiring
3
bloodcurdling(nasty, unpleasant, awful, terrible, unkind)
3
calamitous(adjective, evil, obscure, awful, foul)
3
chilling
3
corrupt(evil, shameful, disgraceful, dishonorable, depraved)
3
cringeworthy
3
damned(adjective, taste, awful, terrible, apperance)
3
dark
3
depraved(evil, shameful)
3
depressing
11 years ago|16k views|share |citing 
APASmart Define. (2015). appalling thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/appalling/thesaurus/synonyms
ChicagoSmart Define. 2015. "appalling thesaurus" https://smartdefine.org/appalling/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, appalling thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/appalling/thesaurus/synonyms>.
MLASmart Define. "appalling thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/appalling/thesaurus/synonyms>