Related Clues:

• What 18 down are
• It's obvious that it's sore about fifty
• It's obvious that the country is open (5)
• That's where the piano has been lying, and that's flat
• Nothing there, save for the sound of 11 across
• It's wide open, that's obvious
• No good looking, and that's flat
• Bore the big beast, by the sound of it
• Nothing on the sound of the start of 1 across
• 'Sounds brutally big, yet may need a 24 down to give one cover (4)'
• Porcupine _____
• Like lawn spots in need of reseeding
• How ecdysiasts finish their act
• To a degree, it's about being unadorned
• Evident