Related Clues:

• Refuse to admit the truth
• Disprove this, although it comes again, perhaps
• Will this invalidate the northeastern entrance?
• Perhaps the D.I.'s own way to refuse
• Does this cancel out the way in at the end?
• This will cancel out the barrier at last
• Invalid ate this?
• This will make nothing of what you've got to open at last
• By the age of ten one may contradict this (6)
• 16 down, say
• This will cancel it on the way in at last
• This might cancel entrance by the north-east
• Although once more you may disprove this
• Say that it's not lairish, perhaps
• This will make nothing of the entrance at last