Possible Clues:

• Ostentatious, possibly, or eatable when cooked
• Extravagant discourse after return of old evil
• Tortuous English and American work finished
• English boffin's place old consider complex
• Very detailed
• Give more details
• It's not plain if one could turn over the bundle to make a speech
• Complicated - complex
• Even if you bundle up and don't be 14 down, that won't make it plain
• With many parts or details, complicated