70 entries under foul topic. ×

3
rough(adjective, bad, hard, tough, nasty)
3
unhealthful(adjective, offensive, disgusting, harmful)
2
awful(adjective, bad, strong, severe, offensive)
2
loathsome(adjective, bad, severe, offensive)
2
offensive(adjective, bad, severe, evil, unpleasant)
2
unholy(adjective, bad, severe, offensive, awful)
1
dirty(adjective, bad, hard, rough, nasty)
1
disgusting(adjective, bad, offensive, unpleasant)
1
ghastly(adjective, bad, severe, offensive, awful)
1
hellish(adjective, bad, offensive, unpleasant)
1
horrid(adjective, bad, severe, offensive, violent)
1
insalubrious(adjective, offensive, disgusting, harmful)
1
lousy(adjective, bad, hard, evil, rough)
1
mephitic(adjective, bad, evil, offensive, corrupt)
1
outrageous(adjective, bad, severe, offensive, awful)
1
painful(adjective, bad, tough, severe, offensive)
1
pestiferous(bad, offensive, disgusting, fatal)
1
pestilential(offensive, disgusting, injurious, fatal)
1
poison(adjective, bad, evil, offensive, corrupt)
1
repellent(adjective, bad, offensive, unpleasant)
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APASmart Define. (2016). dangerous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/dangerous/thesaurus/synonyms
ChicagoSmart Define. 2016. "dangerous thesaurus" https://smartdefine.org/dangerous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, dangerous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/dangerous/thesaurus/synonyms>.
MLASmart Define. "dangerous thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/dangerous/thesaurus/synonyms>