Definition of unoffensive in US English:

unoffensive

adjective

  • Not offensive; especially unlikely to offend; innocuous, unobjectionable. Compare slightly later "inoffensive".

Origin

Late 16th century; earliest use found in Thomas Cartwright (d. 1603), theologian and religious controversialist. From un- + offensive.

Pronunciation

unoffensive

/(ˌ)ʌnəˈfɛnsɪv/