Harmful Synonyms

32 harmful synonyms include damaging, injurious, detrimental, dangerous, deleterious, unfavourable, negative, disadvantageous, unhealthy, and unwholesome. Harmful is an adjective, and its antonyms are beneficial and harmless. Here are some additional synonyms for "harmful" with example sentences.

Another word for Harmful

32 other ways to say harmful.

  • wounding  
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  • unwholesome  
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  • unhealthy
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  • unfavourable  
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  • toxic
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  • subversive  
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  • poisonous  
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  • pernicious  
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  • noxious  
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  • negative
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  • malignant
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  • malign  
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  • malevolent  
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  • maleficent  
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  • malefic  
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  • lethal  
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  • injurious  
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  • hurtful  
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  • hazardous  
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  • evil
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  • environmentally unfriendly  
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  • disadvantageous  
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  • detrimental
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  • destructive  
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  • deleterious  
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  • deadly
  •   
  • dangerous
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  • damaging  
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  • corrupting  
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  • baneful  
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  • baleful  
  •  
  • bad
  •   

Use harmful in a Sentence

Ableism is harmful and exclusionary.

Certain habits are potentially harmful.

Excessive stress can be harmful.

harmful chemicals damage the environment.

Many people abjure harmful habits for health.

Smoking is harmful to health.

The judge noted her abstention from harmful habits.