1. Socially incorrect in behaviour
   "resentment flared at such an unmannered intrusion"
   - ill-mannered, bad-mannered, rude, unmannerly 
2. Without artificiality; natural
   "the doctor's quiet unmannered entry"

See also: impolite, unaffected

• southwest
• southwest by south
• southwest by west
• southwester
• southwesterly
• southwestern
• southwestern lip fern
• southwestern toad
• southwestern United States
• southwestern white pine
• southwestward
• southwestwardly
• Soutine
• soutpiel
• souvenir
• souvlaki
• souvlakia
• sovereign
• sovereign immunity
• sovereignly
• sovereignty
• soviet
• Soviet KGB
• Soviet Russia
• Soviet Socialist Republic