French-English translations for radical

radicalA radical change in perspective is needed. Un changement d'orientation radical est nécessaire. You may think this sounds too radical. D'aucuns penseront que c'est trop radical. We call for a radical reshaping of the CAP. Nous demandons un remaniement radical de la PAC.
stem
us
the stem of an apple or a cherryto stem cherries; to stem tobacco leavesThe current crisis stems from the short-sighted politics of the previous government.

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
sweepingEurope needs sweeping change, and in particular it needs to build a genuinely common market for labour and services. L’Europe a besoin d’un changement radical et il lui faut, en particulier, construire un véritable marché commun pour le travail et les services. Finally, I have come to the third point, which may well be the most sweeping in my report. J'en arrive enfin au troisième point - qui est sans doute le plus radical de mon rapport. European consultation regarding the far-reaching consequences of such a sweeping decision is certainly reasonable. Une consultation européenne au sujet des conséquences profondes d'une décision aussi radicale est certainement raisonnable.