4
tainted(adjective, dirty, polluted, soiled, impure)
3
bad
3
deleterious(adjective, harmful, injurious, detrimental)
3
detrimental(adjective, harmful, injurious)
3
diseased(adjective, dirty, unhealthy, polluted, soiled)
3
dusty(adjective, nasty, dirty, foul, sloppy)
3
grimy(adjective, nasty, dirty, foul, sloppy)
3
grubby(adjective, nasty, foul, sloppy, filthy)
3
grungy(adjective, nasty, dirty, foul, sloppy)
3
mucky(adjective, nasty, dirty, foul, sloppy)
3
pestiferous
3
poisonous(adjective, dirty, unhealthy, harmful, polluted)
3
polluted(adjective, nasty, dirty, foul, sloppy)
3
toxic(adjective, unhealthy)
2
bedraggled(adjective, nasty, foul, sloppy, filthy)
2
begrimed(adjective, nasty, foul, sloppy, filthy)
2
cruddy(adjective, nasty, foul, sloppy, filthy)
2
crummy(adjective, nasty, foul, sloppy, filthy)
2
damaging(adjective, harmful, injurious, detrimental)
2
defiled(adjective, nasty, foul, sloppy, filthy)
11 years ago|6.7k views|share |citing 
APASmart Define. (2015). unhygienic thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unhygienic/thesaurus/synonyms
ChicagoSmart Define. 2015. "unhygienic thesaurus" https://smartdefine.org/unhygienic/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unhygienic thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unhygienic/thesaurus/synonyms>.
MLASmart Define. "unhygienic thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/unhygienic/thesaurus/synonyms>