'''Radical''' is marked by a considerable departure from the usual or traditional, Extreme; tending or disposed to make extreme changes in existing views, habits, conditions, or institutions : of, relating to, or constituting a political group associated with views, practices, and policies of extreme change : advocating extreme measures to retain or restore a political state of affairs, According to Webster's. [http://www.m-w.com/dictionary/radical]
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A '''radical''' (in political history) was a member of the [[liberal]] party in the [[French]] National Assembly.
A '''radical''' (in political history) was a member of the [[liberal]] party in the [[French]] National Assembly.