Synonyms|146Antonyms|148|Broader|7Narrower|0Related|340
4
foul
4
unsanitary
3
not good
3
noxious(adjective, sweet, healthy, injurious, deadly)
2
dirty
2
filthy
2
insanitary
2
unclean(adjective, dirty)
2
contaminated
2
grimy
2
unhealthful
2
unhealthy
1
cluttered
1
dingy
1
insalubrious
1
messy
1
mucky
1
muddy
1
nasty
1
polluted
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APASmart Define. (2015). hygienic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hygienic/thesaurus/antonyms
ChicagoSmart Define. 2015. "hygienic thesaurus" https://smartdefine.org/hygienic/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, hygienic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hygienic/thesaurus/antonyms>.
MLASmart Define. "hygienic thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/hygienic/thesaurus/antonyms>