- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
160 entries under adjective topic. ×
| petulant | |
| tiresome | |
| toxicant | |
| vicious(bad, evil, nasty, terrible) | |
| wearisome | |
| worrisome | |
| worrying | |
| abhorrent(nasty, offensive, terrible, disgusting) | |
| abominable(nasty, offensive, terrible, disgusting) | |
| annihilative(harmful, injurious, damaging, deadly) | |
| awful(nasty, offensive, terrible, foul) | |
| beastly(nasty, offensive, unpleasant, disgusting) | |
| burdensome | |
| calamitous(harmful, injurious, damaging, deadly) | |
| cancerous(harmful, injurious, damaging, deadly) | |
| cataclysmic(harmful, injurious, damaging, deadly) | |
| catastrophic(harmful, injurious, damaging, deadly) | |
| consumptive(bad, painful, harmful, injurious) | |
| cutthroat(harmful, injurious, damaging, deadly) | |
| despicable(nasty, terrible, disgusting, vicious) |
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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> |