English dictionary

harmless

/'h/A/rml/I/s/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

adjective

not causing or capable of causing harm

adj.all

Examples
Harmless bacteria.

Rendered the bomb harmless.

Antonyms harmful

Source: WordNet 3.0
Free from harm; unhurt; as, to give bond to save another <i>harmless</i>.

adjective

Source: webster1913