Related Clues:

• Is Frank able to be so forbidding?
• Is it Frank that is able to get as severe as a Scot?
• It's straight, but only a single filthy place at bottom
• It's said to be the best poll, I see, that's straight
• To be frank, one is able to do the old city like this
• It's Frank that's able to get like many a Scot
• Straight enough for a single pig at last
• Can Frank get like many a 33 down? (7)
• How H makes a single 18 down straight
• It's not crooked and one for the swine at last
• Lincoln forte
• Straightforward quality
• "Such a lonely word," to Billy Joel
• Honesty demands unfinished candy belonging to us
• Sharpen pen, but retain candour