248 entries under adjective topic. ×
| wicked(bad, corrupt, negative, immoral) | |
| grievous(severe, painful) | |
| hostile(person, mean, bad, wrong) | |
| risky(severe, rude, awful, terrible) | |
| unsafe(risky, dangerous, injurious, damaging) | |
| venomous(bad, evil, dangerous, injurious) | |
| pestiferous(bad, injurious, damaging, deadly) | |
| suicidal(violent, cruel, injurious, damaging) | |
| unfavourable | |
| cataclysmic(dreadful, unfortunate, injurious, damaging) | |
| distressing(awful, terrible, cruel, unkind) | |
| disturbing(awful, terrible, dreadful, unfavorable) | |
| hazardous(risky, dangerous, injurious, unsafe) | |
| inauspicious | |
| malefic(negative, threatening, injurious, damaging) | |
| menacing(risky, threatening, dangerous, injurious) | |
| unfavorable(contrary, dreadful, threatening, unfortunate) | |
| unhealthful(offensive, foul, disgusting, injurious) | |
| untoward | |
| dire(severe, awful, terrible, dreadful) |
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| APA | Smart Define. (2016). harmful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/harmful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harmful thesaurus" https://smartdefine.org/harmful/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, harmful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/harmful/thesaurus/synonyms>. |
| MLA | Smart Define. "harmful thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/harmful/thesaurus/synonyms> |