248 entries under adjective topic. ×
| pestilential(injurious, damaging, deadly, destructive) | |
| polluted(bad, offensive, foul, revolting) | |
| severe(bad, offensive, awful, terrible) | |
| sinful(corrupt, immoral, injurious, damaging) | |
| threatening(risky, dangerous, menacing, unsafe) | |
| unfortunate | |
| unhelpful(unpleasant, damaging, hurtful, detrimental) | |
| unhygienic(injurious, detrimental) | |
| useless(worthless, second-rate, arouse bad emotions, crummy) | |
| wounding(awful, terrible, cruel, unkind) | |
| mean(person, harsh, cruel, hostile) | |
| terrible | |
| alarming(dangerous, arouse bad emotions) | |
| hateful(person, unfriendly) | |
| incendiary(injurious, damaging, destructive, hurtful) | |
| inopportune(damaging, disparaging, hurtful, detrimental) | |
| internecine(violent, cruel, injurious, damaging) | |
| mortal(bad, evil, dangerous, injurious) | |
| precarious(risky, dangerous, unsafe) | |
| scathing |
For more, visit
Harmful on
Power Thesaurus
| 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> |