Possible Clues:

• Flat (mainly US)
• Fellows of the Royal Academy housed in suitable accommodation
• Having some people in at home
• Sounds as if it's only a bit intended, and that's flat
• Sounds as if it's not wholly intended, and that's flat!
• People depressed by paintings in fitting rooms
• Flat (chiefly US)
• Let it be only a bit intended, by the sound of it
• Flat bit in sad tale needing no introduction
• Not wholly intended, by the sound of it, and that's flat