adjective
- without the power or desire to do harm; innocuous: He looks mean but he’s harmless; a harmless Halloween prank.
- without injury; unhurt; unharmed.
- hold harmless, Law. to relieve from responsibility or liability for any damage or loss.Also save harmless.
adjective
- not causing any physical or mental damage or injury
- unlikely to annoy or worry peoplea harmless sort of man
c.1300, “uninjured,” from harm (n.) + -less. Meaning “undamaged” is from late 14c. Related: Harmlessly; harmlessness.