Possible Clues:

• Rue diet for the learned
• Learned to diet, rue conniving
• Is 'e offensive about it, likewise?
• Having or showing great learning
• Learned European uncivil about wine
• Otherwise rude over the tie
• To point's impolite, it's held - so one's learned
• Learned it in coarse English first
• Very learned and educated
• Rude tie (anag.)