inoffensive
Word family (noun) offense/offense offender offensive offensiveness (adjective) offensive ≠ inoffensive offended offending (verb) offend (adverb) offensively
From Longman Dictionary of Contemporary Englishinoffensivein‧of‧fen‧sive /ˌɪnəˈfensɪv◂/ adjective OFFENDunlikely to offend or upset anyone Her husband was a small, inoffensive-looking man.Examples from the Corpusinoffensive• His first campaign ads were bland and inoffensive.