1. not causing displeasure, anger, or resentment; harmless
2. not likely to offend or upset anyone; bland or unremarkable

Examples

• The movie was completely inoffensive and suitable for all ages.
• She chose an inoffensive beige color for the office walls.
• His inoffensive manner made him popular with everyone.
• The comedian’s jokes were inoffensive but not particularly funny.
• They served inoffensive background music during dinner.
• The book’s inoffensive content won’t spark any debates.