Related Clues:
- Farthest - drastic
- Going beyond moderation
- Fundamental - non-conformist
- Exceptional - maximum - farthest
- Fundamental - thoroughgoing
- Exceptional - radical
- Very intense - way-out
- Greatest or smallest
- Of the greatest intensity
- Favouring fundamental changes
- Sweeping - reformer
- (One) favouring fundamental changes
- Farthest - to the highest degree
- Very great
- Thoroughgoing — (popularly) extremist