Not offensive; giving no offense; doing no harm; not causing disturbance or uneasiness; free from anything of a displeasing or disturbing nature: as, an inoffensive animal; inoffensive remarks.
the GNU version of the Collaborative International Dictionary of English
adjective.
Giving no offense, or provocation; causing no uneasiness, annoyance, or disturbance.
adjective.
Harmless; doing no injury or mischief.
adjective.
Not obstructing; presenting no interruption or hindrance.