Related Clues:

• It's very much used as a prefix
• Widely accepted bunch of racketeers harbouring right extremist
• Super outlet, great in regular locations
• Revolutionary in awful tragedy
• Extremist cult ran cover-up
• Extreme result rarely includes it
• (As prefix) beyond or extreme
• Extreme (eg in fashion or politics)
• Extreme (prefix)
• (One who is) extreme (in eg political opinion)
• Extreme - extremist
• Violet opening
• UV part
• Prefix with marathon
• Extreme — extremist