Off-color and Uncultured

Off-color adjective - Hinting at or intended to call to mind matters regarded as indecent.

Uncultured and off-color are semantically related. In some cases you can use "Uncultured" instead an adjective phrase "Off-color".

Uncultured adjective - Lacking in refinement or good taste.

Off-color and uncultured are semantically related. Sometimes you can use "Off-color" instead an adjective "Uncultured".