10
contaminated(adjective, nasty, dirty, foul, sloppy)
10
unclean(adjective, nasty, dirty, foul, sloppy)
10
unsanitary(adjective, nasty, dirty, foul, sloppy)
9
dirty(adjective, foul, filthy, unclean, polluted)
8
unhealthy(adjective, dirty, foul, unhealthy, unclean)
7
filthy(adjective, nasty, dirty, foul, sloppy)
7
insanitary(adjective, dirty, foul, unclean, harmful)
7
noxious(adjective, dirty, unhealthy, harmful, polluted)
7
unwholesome(adjective, unhealthy, harmful, injurious, detrimental)
6
insalubrious(adjective, unhealthy, harmful, injurious, detrimental)
6
unhealthful(adjective, dirty, foul, unhealthy, unclean)
5
foul(adjective, nasty, dirty, sloppy, filthy)
5
harmful(adjective, injurious, detrimental)
5
infested(adjective, dirty, polluted, soiled, contaminated)
5
injurious(adjective, harmful, detrimental)
5
noisome(adjective, dirty, harmful, injurious, detrimental)
5
soiled(adjective, nasty, foul, sloppy, filthy)
5
unwashed(adjective, nasty, dirty, foul, sloppy)
4
infected(adjective, dirty, unhealthy, polluted, soiled)
4
septic(adjective, unhealthy)
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APASmart Define. (2015). unhygienic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unhygienic/thesaurus/synonyms
ChicagoSmart Define. 2015. "unhygienic thesaurus" https://smartdefine.org/unhygienic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unhygienic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unhygienic/thesaurus/synonyms>.
MLASmart Define. "unhygienic thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/unhygienic/thesaurus/synonyms>