| Adjective | Meaning | Example Sentence |
| Adverse | Unfavorable or harmful in effect | The adverse weather conditions delayed the event. |
| Damaging | Causing harm or impairment | The gossip had a damaging effect on their reputation. |
| Destructive | Causing damage or destruction | The hurricane left a trail of destructive wreckage. |
| Detrimental | Tending to cause harm or damage | Lack of exercise can have a detrimental impact on health. |
| Harmful | Causing or capable of causing harm | The chemicals in the product are harmful to health. |
| Hurtful | Causing emotional pain or distress | His hurtful comments upset her deeply. |
| Injurious | Causing injury or harm | The sharp edges of the equipment are injurious if mishandled. |
| Malevolent | Having an intention to harm or evil | The malevolent intentions behind the act were evident. |
| Noxious | Harmful to health or well-being | The fumes from the factory were noxious to breathe. |
| Toxic | Poisonous or harmful to living organisms | The toxic waste needed to be disposed of safely. |
