Related Clues:

• Tending towards extreme political views
• 'Severe, extreme (7)'
• Holding extreme political views
• 'Dramatic, extreme (7)'
• Very severe or serious
• Complete, entire amount
• Add this up to a half-century, and that's all it comes to
• One who advocates extreme changes
• That's the absolute end, in a manner of speaking
• Add this up to a half-century and that's all
• That's such a singular way to get to 18 down
• It's somewhat extreme for the doctor to have a cane without end
• You may say that's what's true about tea
• The whole of it will add up to half a hundred
• Not a mild doctor like a jerk