- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
45 entries under deadly topic. ×
| pernicious(adjective, bad, evil, harmful, injurious) | |
| pestilential(adjective, bad, evil, harmful, injurious) | |
| baneful(adjective, bad, evil, harmful, injurious) | |
| harmful(adjective, bad, injurious, damaging) | |
| noxious(adjective, bad, evil, harmful, injurious) | |
| deleterious(adjective, bad, evil, harmful, injurious) | |
| noisome(adjective, bad, evil, offensive, immoral) | |
| toxic(adjective, bad, evil, harmful, injurious) | |
| poisonous(adjective, bad, offensive, foul, disgusting) | |
| damaging(adjective, bad, harmful, injurious) | |
| injurious(adjective, bad, foul, vile, harmful) | |
| venomous(adjective, bad, evil, harmful, injurious) | |
| detrimental(adjective, bad, evil, harmful, injurious) | |
| malignant(adjective, bad, injurious, damaging) | |
| bad(offensive, foul, disgusting, injurious, damaging) | |
| baleful(adjective, bad, evil, harmful, injurious) | |
| foul(adjective, bad, nasty, offensive, terrible) | |
| hurtful(adjective, bad, evil, harmful, injurious) | |
| lethal(adjective, bad, evil, harmful, injurious) | |
| mortal(adjective, bad, evil, harmful, injurious) |
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| APA | Smart Define. (2015). pestiferous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/pestiferous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pestiferous thesaurus" https://smartdefine.org/pestiferous/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, pestiferous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/pestiferous/thesaurus/synonyms>. |
| MLA | Smart Define. "pestiferous thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/pestiferous/thesaurus/synonyms> |