24
appalling(adjective, severe, taste, unpleasant, awful)
23
revolting(adjective, evil, taste, nasty, offensive)
22
villainous(adjective, taste, dislike, awful, terrible)
21
sinful(adjective, evil, corrupt, wicked, immoral)
20
terrible(adjective, severe, evil, offensive, unpleasant)
20
vicious(adjective, bad, wrong, evil, nasty)
20
offensive(adjective, blue, severe, evil, nasty)
19
loathsome(adjective, blue, evil, nasty, offensive)
19
flagrant(adjective, shame, awful, terrible, horrible)
19
nasty(adjective, bad, wrong, blue, evil)
19
nefarious(adjective, bad, wrong, evil, nasty)
18
iniquitous(adjective, bad, wrong, evil, offensive)
18
detestable(adjective, taste, nasty, dislike, offensive)
18
repugnant(adjective, blue, evil, taste, nasty)
18
shameful(adjective, bad, wrong, severe, evil)
17
cruel(adjective, evil, unpleasant, awful, violent)
17
horrendous(adjective, evil, offensive, unpleasant, awful)
17
obnoxious(adjective, taste, nasty, offensive, unpleasant)
17
repulsive(adjective, evil, nasty, offensive, unpleasant)
16
dire(adjective, awful, terrible, horrible, afraid)
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APASmart Define. (2015). heinous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/heinous/thesaurus/synonyms
ChicagoSmart Define. 2015. "heinous thesaurus" https://smartdefine.org/heinous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, heinous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/heinous/thesaurus/synonyms>.
MLASmart Define. "heinous thesaurus" 15 October 2015. Web. 23 September 2026. <https://smartdefine.org/heinous/thesaurus/synonyms>