rude

Adjective

• belonging to an early stage of technical development; characterized by simplicity and (often) crudeness
  • the crude weapons and rude agricultural implements of early man
    
  • primitive movies of the 1890s
    
  • primitive living conditions in the Appalachian mountains
    

• (used especially of commodities) being unprocessed or manufactured using only simple or minimal processes
  • natural yogurt
    
  • natural produce
    
  • raw wool
    
  • raw sugar
    
  • bales of rude cotton
    

• lacking civility or good manners
  • want nothing from you but to get away from your uncivil tongue- Willa Cather
    

• (of persons) lacking in refinement or grace

• socially incorrect in behavior
  • resentment flared at such an unmannered intrusion
    

Related words

• Synonyms: 
  crude , primitive , natural , raw(a) , rude(a) , uncivil , ill-bred , bounderish , lowbred , underbred , yokelish , ill-mannered , bad-mannered , unmannered , unmannerly
• Antonyms: 
  civil , polite