Definitions
1.Nounstem (main part of a word)
2.Nounradicial (portion of a character)
3.Nounradical (person holding unorthodox views)
4.Adjectiveradical (favouring fundamental change)
5.Adjectivedrastic; extreme
6.Adjectiveexcellent; awesome; thrilling
7.Adjectiveextreme (dangerous)