Adj. | 1. | innocuous - not injurious to physical or mental health harmless - not causing or capable of causing harm; "harmless bacteria"; "rendered the bomb harmless" noxious - injurious to physical or mental health; "noxious chemical wastes"; "noxious ideas" |
2. | innocuous - not causing disapproval; "it was an innocuous remark"; "confined himself to innocuous generalities"; "unobjectionable behavior" inoffensive - giving no offense; "a quiet inoffensive man"; "a refreshing inoffensive stimulant" | |
3. | innocuous - lacking intent or capacity to injure; "an innocent prank" harmless - not causing or capable of causing harm; "harmless bacteria"; "rendered the bomb harmless" |