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

• gloating
• gloatingly
• glob
• global
• global aphasia
• global climate change
• global organisation
• global organization
• Global Positioning System
• global warming
• globalisation
• globalise
• globalism
• globalist
• globalization
• globalize
• globally
• globe
• globe amaranth
• globe artichoke
• globe lily
• globe mallow
• globe pepper
• globe thistle
• globe-trot