60 entries under awful topic. ×

5
terrible(adjective, appearance, evil, unpleasant)
5
terrifying(adjective, bad, disgusting, sinful)
4
nasty(adjective, evil, rough, dark, unpleasant)
4
appalling(terrible, dreadful)
4
dreadful(adjective, nasty, unpleasant, terrible)
4
hair-raising(adjective, bad, disgusting, sinful)
4
horrifying(adjective, violent, terrible, shocking)
4
shocking(adjective, appearance, offensive, unpleasant)
4
uncanny(adjective, bad, disgusting, sinful)
3
disturbing(adjective, hard, severe, nasty, offensive)
3
eldritch(adjective, bad, disgusting, black)
3
frightful(adjective, appearance, terrible, dreadful)
3
ghoulish(adjective, nasty, terrible, dreadful)
3
horrific(terrible, dreadful)
3
spine-chilling(adjective, bad, disgusting, sinful)
3
strange(adjective, terrible, dreadful, weird)
3
unholy(adjective, bad, disgusting, sinful)
3
unsettling(adjective, bad, disgusting, sinful)
3
weird(adjective, bad, disgusting, sinful)
2
bloodcurdling(terrible, dreadful)
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APASmart Define. (2016). sinister thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sinister/thesaurus/synonyms
ChicagoSmart Define. 2016. "sinister thesaurus" https://smartdefine.org/sinister/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, sinister thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sinister/thesaurus/synonyms>.
MLASmart Define. "sinister thesaurus" 3 April 2016. Web. 28 September 2026. <https://smartdefine.org/sinister/thesaurus/synonyms>