1. (

• dune ,
• sand_dune

) a ridge of sand created by the wind; found in deserts or near lakes and oceans ;

1. (

• torment ,
• rag ,
• bedevil ,
• crucify ,
• dun ,
• frustrate

) treat cruelly; "The children tormented the stuttering teacher" ;

2. (

• dun

) persistently ask for overdue payment; "The grocer dunned his customers every day by telephone" ;

3. (

• dun ,

) cure by salting; "dun codfish" ;

4. (

• dun

) make a dun color ;

1. (

• dun

) of a dull greyish brown to brownish grey color; "the dun and dreary prairie" ;