5
sinful(adjective, bad, evil, corrupt, immoral)
5
unlucky(adjective, grave, threatening, warn, luck)
4
adverse(adjective, evil, distressing, harmful, threatening)
4
apocalyptic(adjective, awful, warn, luck)
4
cancerous(adjective, harmful, injurious, damaging, deadly)
4
corrosive(adjective, hurt, harm, destruction, malevolent)
4
corrupt(adjective, bad, evil, low, offensive)
4
counterproductive(adjective, evil, danger, harmful)
4
depraved(adjective, evil, low, corrupt, vicious)
4
disserviceable(adjective, evil, danger, harmful, inexpedience)
4
hateful(adjective, evil, disgust, malevolent)
4
infectious(adjective, evil, danger, harmful)
4
mean(adjective, avid, greedy, malevolent)
4
minatory(adjective, frighten, threatening, threaten)
4
nasty(adjective, ugly, disgust, malevolent)
4
offensive(adjective, evil, dirty, badly)
4
portentous(adjective, warn, luck, sinister)
4
repulsive(adjective, evil, ugly, disgust)
4
spiteful(adjective, evil, unfriendly, malevolent)
4
subtle(adjective, evil, harm, dead, danger)
11 years ago|10k views|share |citing 
APASmart Define. (2015). baneful thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/baneful/thesaurus/synonyms
ChicagoSmart Define. 2015. "baneful thesaurus" https://smartdefine.org/baneful/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, baneful thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/baneful/thesaurus/synonyms>.
MLASmart Define. "baneful thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/baneful/thesaurus/synonyms>