Portuguese-English translations for radical

radicalA radical change in perspective is needed. É necessária uma alteração radical de perspectiva. You may think this sounds too radical. Os Senhores podem pensar que isto soa a demasiado radical. I think we need a radical paradigm shift. Sou de opinião de que é necessária uma mudança radical de paradigmas.
fringe
us
the fringe of a pictureHe lives in the fringe of London.Her fringe is so long it covers her eyes.

root
us
This trees roots can go as deep as twenty metres undergroundRoot damage is a common problem of overbrushingThe root is the only part of the hair that is alive