41 entries under dangerous topic. ×

40
poisonous(adjective, help, heavy, foul, unhealthy)
35
deadly(adjective, bad, evil, unhealthy, harmful)
30
harmful(adjective, injurious, damaging, deadly)
25
noxious(adjective, unhealthy, harmful, injurious)
20
venomous(adjective, help, bad, evil, hateful)
18
lethal(adjective, bad, evil, harmful)
17
destructive(adjective, unhealthy, harmful, injurious)
14
fatal(adjective, bad, evil, harmful)
12
detrimental(adjective, bad, evil, offensive, foul)
11
injurious(adjective, bad, harmful, damaging)
10
malignant(adjective, offensive, foul, unhealthy)
6
damaging(adjective, bad, harmful, injurious)
6
mortal(adjective, bad, evil, harmful)
3
life-threatening
2
menacing(adjective, injurious, damaging, destructive)
2
nasty
2
risky(adjective, injurious, damaging, destructive)
2
severe
2
unsafe(adjective, injurious, damaging, destructive)
1
acute
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APASmart Define. (2015). toxic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/toxic/thesaurus/synonyms
ChicagoSmart Define. 2015. "toxic thesaurus" https://smartdefine.org/toxic/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, toxic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/toxic/thesaurus/synonyms>.
MLASmart Define. "toxic thesaurus" 17 July 2015. Web. 26 September 2026. <https://smartdefine.org/toxic/thesaurus/synonyms>