harmlessness

noun
1
the quality of being unable or unlikely to cause damage or harm
بی‌ضرری, بی‌آزاری, بی‌خطری, عدم ضرر
2
the quality of being unlikely to upset or offend anyone
بی‌ضرری, بی‌خطری, بی‌آزاری
The band's harmlessness has always been part of their charm.