- Definitions|2
- Thesaurus|1.7k
- Abbreviations|0
37 entries under poisonous topic. ×
| harmful(adjective, help, mean, bad, wrong) | |
| injurious(adjective, help, mean, bad, wrong) | |
| detrimental(adjective, help, mean, bad, wrong) | |
| destructive(adjective, bad, harmful, injurious, damaging) | |
| pernicious(adjective, mean, bad, evil, nasty) | |
| hurtful(adjective, help, mean, bad, wrong) | |
| baleful(adjective, mean, evil, nasty, negative) | |
| noxious(adjective, mean, bad, wrong, evil) | |
| baneful(adjective, evil, offensive, negative, foul) | |
| toxic(adjective, bad, evil, offensive, foul) | |
| malignant(adjective, mean, bad, evil, nasty) | |
| noisome(adjective, bad, evil, offensive, immoral) | |
| dangerous(adjective, bad, offensive, foul, harmful) | |
| deadly(adjective, bad, evil, cruel, unkind) | |
| virulent(adjective, mean, bad, evil, nasty) | |
| lethal(adjective, bad, evil, harmful, injurious) | |
| venomous(adjective, mean, bad, evil, nasty) | |
| fatal(adjective, bad, evil, harmful, injurious) | |
| pestilent(adjective, harmful, dangerous, fatal) | |
| foul(offensive, disgusting, unhealthy, harmful) |
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| APA | Smart Define. (2016). deleterious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/deleterious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "deleterious thesaurus" https://smartdefine.org/deleterious/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, deleterious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/deleterious/thesaurus/synonyms>. |
| MLA | Smart Define. "deleterious thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/deleterious/thesaurus/synonyms> |