1. A method or approach that addresses a problem from its fundamental or root cause, often involving extreme or drastic measures
The government adopted a radical method to combat corruption by completely restructuring the entire system.
O governo adotou um método radical para combater a corrupção reestruturando completamente todo o sistema.
2. An approach that represents a significant departure from conventional or traditional practices
Her radical method of teaching revolutionized the classroom experience.
Seu método radical de ensino revolucionou a experiência em sala de aula.