AskDefine | Define harmless

Dictionary Definition

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

User Contributed Dictionary




  1. incapable of causing harm or danger
  2. not intended to harm; inoffensive
  3. safe

Derived terms


incapable of causing harm or danger

Extensive Definition

The term harmless may be taken in several ways:

Synonyms, Antonyms and Related Words

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