Radical (9)
'radical' is the definition.
(I know that extremist is a type of radical)
This is all the clue.
(Other definitions for extremist that I've seen before include "Revolutionary" , "One far from moderate" , "One with highly non-standard views" , "immoderate person" , "One with views far from the mainstream" .)
'radical' is the definition.
(I know that radical can be written as ultra)
This is all the clue.
(Other definitions for ultra that I've seen before include "holding extreme position" , "Prefix meaning extreme or excessive" , "Secret intelligence" , "lacking moderation" , "(One who is) extreme (in eg political opinion)" .)
(Other definitions for epic that I've seen before include "On a grand scale like long poem" , "Surpassing the ordinary" , "Long poem/story" , "Confirm the truth of" , "Heroic; saga" .)