Pronunciation

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Adjective

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Positive
coarse

Comparative
coarser

Superlative
coarsest

 
These coarse coffee grounds are bigger and rougher than the fine coffee grounds in the picture below
 
Fine coffee grounds
  1. When an object is coarse, it is rough and not smooth.
    I prefer to season with fine salt instead of coarse salt because it mixes more easily.
  2. If a person is coarse, they are not refined or do not have tact.
    Why do you use such coarse language? It makes it seem as you have no manners at all.
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