4
spoiled(adjective, dirty, rotten, polluted, soiled)
4
tarnished(verb, adjective, dirty, foul, polluted)
4
unhealthful(adjective, dirty, foul, unhealthy, unclean)
4
unwashed(adjective, nasty, dirty, foul, sloppy)
4
vicious(adjective, wrong, offensive, unpleasant, violent)
3
debauched
3
decayed(adjective, rotten, polluted, impure, stinking)
3
depraved
3
doctored(verb, adjective, nasty, dirty, coarse)
3
gangrenous(adjective, unhealthy)
3
morbid
3
mouldy
3
muddied(verb, adjective, dirtied)
3
muddy(adjective, nasty, dirty, foul, sloppy)
3
nasty(adjective, offensive, unpleasant, violent, wild)
3
noisome(adjective, offensive, unpleasant, rank, dirty)
3
off
3
pathological(adjective, unhealthy)
3
radioactive(adjective, active)
3
soured
11 years ago|13k views|share |citing 
APASmart Define. (2015). contaminated thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/contaminated/thesaurus/synonyms
ChicagoSmart Define. 2015. "contaminated thesaurus" https://smartdefine.org/contaminated/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, contaminated thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/contaminated/thesaurus/synonyms>.
MLASmart Define. "contaminated thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/contaminated/thesaurus/synonyms>