- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
64 entries under harmful topic. ×
| cutthroat(adjective, unpleasant, grim, injurious) | |
| eradicative(adjective, injurious, damaging, deadly) | |
| extirpative(adjective, injurious, damaging, deadly) | |
| fell(adjective, unpleasant, grim, injurious) | |
| iniquitous(bad, distressing, damaging, deadly) | |
| lethiferous(adjective, injurious, damaging, deadly) | |
| mortal(adjective, bad, evil, injurious) | |
| nocent(negative, distressing, injurious, damaging) | |
| pestiferous(adjective, bad, evil, injurious) | |
| pestilential(adjective, evil, wicked, injurious) | |
| slaughterous(adjective, grim, injurious, damaging) | |
| venomous(adjective, bad, evil, injurious) | |
| abusive(distressing, damaging) | |
| corrupting(distressing, injurious, damaging, destructive) | |
| costly | |
| insulting(distressing, damaging) | |
| libeling(distressing, damaging) | |
| loss-making | |
| opprobrious(distressing, damaging) | |
| sacrificial |
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| APA | Smart Define. (2016). ruinous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/ruinous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ruinous thesaurus" https://smartdefine.org/ruinous/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, ruinous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ruinous/thesaurus/synonyms>. |
| MLA | Smart Define. "ruinous thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/ruinous/thesaurus/synonyms> |