- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
64 entries under harmful topic. ×
| evil(adjective, mean, bad, wrong, harsh) | |
| prejudicial(adjective, bad, negative, distressing) | |
| mischievous(adjective, negative, distressing, injurious) | |
| murderous(adjective, difficult, injurious, fatal) | |
| annihilative(adjective, injurious, damaging, deadly) | |
| crippling(adjective, injurious, damaging, destructive) | |
| dangerous(adjective, bad, distressing, injurious) | |
| lethal(adjective, bad, injurious, damaging) | |
| toxic(adjective, bad, evil, injurious) | |
| unhealthy(adjective, distressing, injurious, damaging) | |
| cancerous(adjective, injurious, damaging, deadly) | |
| consumptive(adjective, injurious, damaging, deadly) | |
| disadvantageous(adjective, negative, distressing, injurious) | |
| distressing(awful, terrible, damaging, ominous) | |
| exhausting(adjective, damaging, fatal, mortal) | |
| internecine(adjective, injurious, damaging, deadly) | |
| nocuous(adjective, negative, distressing, injurious) | |
| noisome(adjective, bad, evil, injurious) | |
| wrackful(adjective, injurious, damaging, deadly) | |
| wreckful(adjective, injurious, damaging, deadly) |
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| APA | Smart Define. (2016). ruinous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ruinous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ruinous thesaurus" https://smartdefine.org/ruinous/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, ruinous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ruinous/thesaurus/synonyms>. |
| MLA | Smart Define. "ruinous thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/ruinous/thesaurus/synonyms> |