35 entries under adjective topic. ×

15
unhealthy(offensive, dirty, foul, disgusting)
14
noxious(offensive, foul, disgusting, sick)
13
unsanitary(dirty, foul, unhealthy, unclean)
13
unwholesome(offensive, foul, disgusting, unhealthy)
11
insalubrious(offensive, foul, disgusting, harmful)
9
harmful(offensive, foul, disgusting, injurious)
9
insanitary(foul, unclean, harmful, polluted)
8
dangerous(offensive, foul, disgusting, harmful)
7
toxic(offensive, foul, unhealthy, harmful)
6
detrimental(offensive, foul, unhealthy, harmful)
6
injurious(offensive, foul, disgusting, harmful)
6
noisome(bad, offensive, foul, disgusting)
6
septic
6
unhygienic(dirty, foul, unhealthy, unclean)
5
ill
5
poisonous(offensive, foul, disgusting, unhealthy)
5
sickly(offensive, foul, disgusting, harmful)
4
contaminated(dirty, foul, unhealthy, unclean)
4
infected
4
unclean
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APASmart Define. (2015). unhealthful thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unhealthful/thesaurus/synonyms
ChicagoSmart Define. 2015. "unhealthful thesaurus" https://smartdefine.org/unhealthful/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unhealthful thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unhealthful/thesaurus/synonyms>.
MLASmart Define. "unhealthful thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/unhealthful/thesaurus/synonyms>