Incult and Off-color

Incult adjective - Lacking in refinement or good taste.

Off-color and incult are semantically related. in rude topic. In some cases you can use "Off-color" instead an adjective "Incult", when it comes to topics like coarse.

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

Incult and off-color are semantically related. Sometimes you can use "Incult" instead an adjective phrase "Off-color".