Definition of 'harmless'

Adjective

1. not causing or capable of causing harm; "harmless bacteria"; "rendered the bomb harmless"
      Antonyms: harmful
2. not injurious to physical or mental health
      Synonyms: innocuous
      Antonyms: noxious harmful
3. not producing any toxic effects
4. unlikely to harm or disturb anyone; "harmless old man"
      Synonyms: innocuous
5. not threatening to life or health; not malignant; "a benign tumor is usually harmless"
      Synonyms: nonmalignant

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