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

• cutis
• cutlas
• cutlass
• cutlassfish
• cutleaved coneflower
• cutler
• cutlery
• cutlet
• cutoff
• cutoff saw
• cutout
• cutpurse
• cuttable
• cutter
• cutthroat
• cutting
• cutting angle
• cutting board
• cutting implement
• cutting off
• cutting out
• cutting room
• cutting tool
• cutting-edge
• cuttingly