Wiktionary
nonharmful
a. Not harmful.
Usage examples of "nonharmful".
The nonharmful group was to be arranged in logical order, and each item accompanied by a brief, straightforward description.
Based on organic nanotechnology, the transponder was a nonharmful radioactive chemical that bound itself to an individual's glucose and the middle layers of the epidermis.
The transponder was a nonharmful radioactive chemical that bound itself to the glucose in the blood and a middle layer of epidermis.