- the quality of being fundamental, drastic, far-reaching, etc.: Because of the radicality of the surgery there is a higher risk of complications.It is difficult to overstate the radicality of the change I saw in him after a summer at camp.
- a tendency toward extremism in political ideology, religion, etc.; radicalism: A lot of people were put off by the radicality of his so-called documentary, and they called it propaganda.
- something, such as a concept, practice, character trait, etc., that is fundamental, extreme, or very different from what is generally accepted: The essay explores some of the remarkable radicalities and ironies in the work of the famous filmmaker.
