- radicalize⇄radicalize, verb, -ized,-izing.
- radicalize⇄v.i. to become radical.
Ex. When it [the Reform Bill] and the Catholic question were both carried ... Herbert Grimstone radicalized (Lady Lytton). - radicalize⇄v.t. to make radical.
Ex. to radicalize a political system, to radicalize a student body.