Related Clues:

• That bird is forever in the beer
• Round-the-clock refusal for the French street work
• Really drawn-out
• Going on and on outside without 'The Times'?
• Not bound by 20-Across
• Neverending
• Unfading
• Dope's no introduction to narcotics, if taken the wrong way continuously
• Express without punctuation
• Log base with bird on a line is constant
• 10 with real potential never finishing
• Enter failure against article by student out of time
• The beginning of Lowry's Under the 17 down, without hesitation, is timeless
• Little boy in late return going on and on
• An honour the Spanish bestowed for lasting a while