ex·trem·ist 
(ĭk-strēmĭst)
(ĭk-strēmĭst)n.
A person who advocates or resorts to measures beyond the norm, especially in politics.
ex·tremism n.
ex·tremist adj.
- histocompatibility
- histocompatibility antigen
- histocompatible
- histodialysis
- histogenesis
- histogenetic
- histogenetically
- histogenic
- histogenically
- histogram
- histologic
- histological
- histologically
- histologist
- histology
- histolysis
- histolytic
- histomoniasis
- histone
- histopathologic
- histopathological
- histopathologically
- histopathologist
- histopathology
- histophysiologic