Solutions Not having good manners has 8 entries with similar clues
- politeShowing good manners
- decorumGood manners
- uncouthLacking good manners, social graces, etc.
- courtesyGood manners
- politessePoet's lies reinterpreted as a matter of good manners
- well-bredEducated in good manners
- courteousShowing good manners
- rough-diamondA person of good character but lacking manners or education