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

• processed
• processed cheese
• processing
• processing time
• procession
• processional
• processional march
• processor
• processus coronoideus
• prochlorperazine
• Prociphilus
• Prociphilus tessellatus
• proclaim
• proclaimed
• proclamation
• proclitic
• proclivity
• Procnias
• proconsul
• proconsular
• proconsulate
• proconsulship
• proconvertin
• procrastinate
• procrastination