Possible Clues:

• Due rite (anag.)
• English game tied after struggle, it is learned
• Well educated, having great learning
• It's rude to tie like this, likewise
• Learned European wants hors d'oeuvres topped and tailed
• Learned to make a rude tie with this
• Professorial, e.g
• Having deep knowledge
• Lettered
• Literate English smutty about sex