Synonyms of the word 
INNOXIOUS → HARMLESS - INNOCUOUS
innoxious
- adj. Having no harmful effect.
harmless
- adj. Incapable of causing harm or danger.
- adj. Not intended to harm; inoffensive.
- adj. Safe.
innocuous
- adj. Harmless; producing no ill effect.
- adj. Inoffensive; unprovocative; not exceptional.
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