harmless — English Dictionary

Adjective

1. Incapable of causing harm or danger; safe.

   Synonyms

   unharmfulnonharmfulbenigninnocuousinnocentundamagingnonthreateningunthreatening

   Antonyms

   harmfuldeleteriousdamagingthreatening

   Examples

   Near-synonyms: benign, innocuous, innocent, undamaging, nonthreatening, unthreatening

   This snake looks nearly the same as its poisonous cousin but is harmless.

2. Not intended to harm; inoffensive.

   Examples

   His humor can be annoying but is harmless.

   More examples (1)

   The most rapid and most seductive transition in all human nature is that which attends the palliation of a ravenous appetite.[…]Can those harmless but refined fellow-diners be the selfish cads whose gluttony and personal appearance so raised your contemptuous wrath on your arrival?

3. Unharmed.

   Usage

   • Obsolete

   Synonyms

   unscathed

Adjective

1. not causing or capable of causing harm

   Antonyms

   harmful

   Examples

   harmless bacteria

   rendered the bomb harmless