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