111 entries under harmful topic. ×

4
devastating(adjective, bad, evil, wicked)
4
disturbing(adjective, damaging, unfavorable, arouse bad feelings)
4
fatal(adjective, bad, evil, dangerous)
4
malefic(adjective, negative, injurious, damaging)
4
perilous(adjective, adverse, dangerous, injurious)
4
unhealthful(adjective, offensive, foul, unhealthy)
3
pestilent(adjective, dangerous, poisonous, toxic)
3
unsound(adjective, bad, offensive, foul, unhealthy)
3
vicious(adjective, mean, bad, evil, nasty)
2
cancerous(adjective, injurious, damaging, deadly)
2
cataclysmic(adjective, unfortunate, injurious, damaging)
2
corrupt(offensive, foul, unhealthy, injurious)
2
corrupting(distressing, injurious, damaging, destructive)
2
distressing(cruel, unkind, upsetting, damaging)
2
hazardous(adjective, dangerous, injurious)
2
insanitary
2
malevolent(adjective, mean, bad, wrong, evil)
2
mortal(adjective, bad, evil, dangerous)
2
nefarious(adjective, bad, evil, injurious)
2
pestiferous(adjective, bad, evil, injurious)
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APASmart Define. (2016). detrimental thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/detrimental/thesaurus/synonyms
ChicagoSmart Define. 2016. "detrimental thesaurus" https://smartdefine.org/detrimental/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, detrimental thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/detrimental/thesaurus/synonyms>.
MLASmart Define. "detrimental thesaurus" 24 March 2016. Web. 1 October 2026. <https://smartdefine.org/detrimental/thesaurus/synonyms>