The Collaborative International Dictionary of English v.0.48:

Inoffensive \In"of*fen"sive\, a. [Pref. in- not + offensiue: cf.
   F. inoffensif.]
   1. Giving no offense, or provocation; causing no uneasiness,
      annoyance, or disturbance; as, an inoffensive man, answer,
      appearance.
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   2. Harmless; doing no injury or mischief. --Dryden.
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   3. Not obstructing; presenting no interruption or hindrance.
      [R.] --Milton.
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            So have I seen a river gently glide
            In a smooth course, and inoffensive tide. --Addison.
      -- In"of*fen"sive*ly, adv. -- In"of*fen"sive*ness, n.
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