Meaning of radical
Pronunciation: (rad'i-kul), [key]
- of or going to the root or origin; fundamental: a radical difference.
- thoroughgoing or extreme, esp. as regards change from accepted or traditional forms: a radical change in the policy of a company.
- favoring drastic political, economic, or social reforms: radical ideas; radical and anarchistic ideologues.
- forming a basis or foundation.
- existing inherently in a thing or person: radical defects of character.
- pertaining to or forming a root.
- denoting or pertaining to the radical sign.
- irrational (def. 5b).
- of or pertaining to a root.
- of or arising from the root or the base of the stem.
- a person who holds or follows strong convictions or extreme principles; extremist.
- a person who advocates fundamental political, economic, and social reforms by direct and often uncompromising methods.
- a quantity expressed as a root of another quantity.
- the set of elements of a ring, some power of which is contained in a given ideal.
- Seeradical sign.
- group (def. 3).
- Seefree radical.
- root (def. 11).
- (in Chinese writing) one of 214 ideographic elements used in combination with phonetics to form thousands of different characters.
- radical (Thesaurus)