(~r, ~st)
1.
Coarse things have a rough texture because they consist of thick threads or large pieces.
...a jacket made of very ~ cloth.
...a beach of ~ sand.
= rough
? fine
ADJ
~ly
...~ly ground black pepper.
ADV
2.
If you describe someone as ~, you mean that he or she talks and behaves in a rude and offensive way.
The soldiers did not bother to moderate their ~ humour in her presence.
= vulgar, crude
ADJ disapproval
~ly
The women laughed ~ly at some vulgar joke.
ADV: ADV with v