innocuous

英[ɪ'nɒkjʊəs] 美[ɪ'nɑkjuəs]

1. not injurious to physical or mental health

2. unlikely to harm or disturb anyone;

"harmless old man"

3. not causing disapproval;

"it was an innocuous remark"

"confined himself to innocuous generalities"

"unobjectionable behavior"

4. lacking intent or capacity to injure;

"an innocent prank"