ultraradical

adjective

ul·​tra·​rad·​i·​cal ˌəl-trə-ˈra-di-kəl 

: extremely radical: such as

a

: extremely far removed from what is usual or traditional

an ultraradical approach

especially : having, relating to, or being very extreme political or social views

an ultraradical group/movement

ultraradical tendencies

b

medical : involving complete surgical removal of organs in a cavity of the body : of or relating to surgical exenteration (see exenterate)

removal of all pelvic organs during ultraradical surgery for recurrent ovarian cancer

Word History

First Known Use

1820, in the meaning defined above