2
menacing(adjective, dangerous, injurious, damaging, destructive)
2
mephitical(adjective, help, poisonous)
2
mucky(adjective, unclean)
2
muddy(adjective, unclean)
2
nasty(adjective, dangerous)
2
nocuous(adjective, injurious, damaging, destructive, noxious)
2
odious(adjective, unclean)
2
putrid(adjective, heavy, rich, rare, unclean)
2
risky(adjective, dangerous, injurious, damaging, destructive)
2
severe(adjective, dangerous)
2
shabby(adjective, unclean)
2
sordid(adjective, unclean)
2
toxin
2
unsafe(adjective, dangerous, injurious, damaging, destructive)
2
weed killer
1
acute(adjective, dangerous)
1
alarming(adjective, dangerous)
1
annihilative(adjective, harmful, injurious, damaging, deadly)
1
antibiotic
1
antiseptic
11 years ago|15k views|share |citing 
APASmart Define. (2015). toxic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/toxic/thesaurus/synonyms
ChicagoSmart Define. 2015. "toxic thesaurus" https://smartdefine.org/toxic/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, toxic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/toxic/thesaurus/synonyms>.
MLASmart Define. "toxic thesaurus" 17 July 2015. Web. 23 September 2026. <https://smartdefine.org/toxic/thesaurus/synonyms>