" unrefined "

1: being such as found in nature and not altered by processing or refining;

  * e.g., " ... unrefined sugar "

•  Synonyms : 

•  crude,

•  native,

•  natural,

•  raw,

•  rude,

•  undressed,

•  unprocessed,

•  untreated

•  Antonyms : 

•  dressed,

•  processed,

•  refined,

•  treated

2: hastily or roughly constructed;

  * e.g., " ... an unrefined mountaineer's hut "

•  Synonyms : 

•  artless,

•  clumsy,

•  crude,

•  jerry-built,

•  jerry-rigged,

•  jury-rigged,

•  rough,

•  rough-and-ready,

•  rough-and-tumble,

•  rough-hewn,

•  rude

•  Antonyms : 

•  refined

3: lacking in refinement or good taste;

  * e.g., " ... guilty of such unrefined behavior as eating with their mouths open "

•  Synonyms : 

•  coarse,

•  common,

•  crass,

•  crude,

•  gross,

•  ill-bred,

•  illiberal,

•  incult,

•  insensible,

•  low,

•  lowbred,

•  lowbrow,

•  raffish,

•  rough,

•  rough-hewn,

•  roughneck,

•  rude,

•  rugged,

•  tasteless,

•  uncouth,

•  uncultivated,

•  uncultured,

•  unpolished,

•  vulgar

•  Antonyms : 

•  civilized,

•  cultivated,

•  cultured,

•  genteel,

•  polished,

•  refined,

•  smooth,

•  tasteful,

•  ultrarefined,

•  well-bred