1. [Adjective]: causing or capable of causing harm; "too much sun is harmful to the skin"; "harmful effects of smoking"

2. [Adjective]: constituting a disadvantage

3. [Adjective]: injurious to physical or mental health; "noxious chemical wastes"; "noxious ideas"

4. tending to cause great harm

5. able or likely to do harm

6. contrary to your interests or welfare; "adverse circumstances"; "made a place for themselves under the most untoward conditions"

Similar words to 'harmful'

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