inoffensive

adjectives

not causing anger or annoyance
"inoffensive behavior"
antonym
giving no offense
"a quiet inoffensive man"; "a refreshing inoffensive stimulant"
antonym
is similar to
not causing disapproval
"it was an innocuous remark"; "confined himself to innocuous generalities"; "unobjectionable behavior"
is an attribute of
the quality of being offensive
substituting a mild term for a harsher or distasteful one
"`peepee' is a common euphemistic term"