indecent

adjective
UK /ɪnˈdiːsənt/
US /ɪnˈdiːsənt/

Not proper or polite, especially in a way that is about bodies or sex.

The teacher told the boy that his joke was indecent and not funny.


OTHER MEANINGS

2. Too shocking or unfair to be acceptable.

It is indecent to pay workers so little for so much work.

3. Showing too much of the body in a way that is not polite.

The sign said indecent clothing was not allowed in the pool.

4. Not following good manners or social rules.

He made an indecent remark at the dinner table.