1. rough or harsh in texture
Professional
Social
coarse material/surface
The adjective 'coarse' is used to describe something which is the opposite of smooth or delicate. A 'coarse material' is rough or harsh. This is an adjective that can be used in a variety of social or professional situations.
2. harsh or unmannerly (attitude)
Professional
Social
coarse language/attitude/demeanour
The adjective 'coarse' is used to describe something which is the opposite of smooth or delicate. A 'coarse material' is rough or harsh. Likewise 'coarse language' is language that is considered rough or unpleasant. Likewise, a 'coarse person' is someone indelicate or rough in manner. This is an adjective that can be used in a variety of social or professional situations.