Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR RADICAL

The difference too is radical; it goes to the heart of the mystery.

The influence of Westhampton is Radical, and fills the Council with a lot of outsiders.

"Yes, by that Radical miller who lives at Martover," said Marion.

For under all her radical talk Sue had the kindest heart in the world.

Into my reverie that night Sue burst with a dozen radical friends.

For in his growth as a radical, Joe had gone beyond all arguing now.

Don't get too radical, husband mine—you're so nice and funny now, my love.

In my opinion, the difficulty is far more deep-seated and radical.

She was finally jailed, and burnt up by the Radical ministry.

There is only one radical cure for venereal diseases; that is not to contract them!

WORD ORIGIN

late 14c., in a medieval philosophical sense, from Late Latin radicalis "of or having roots," from Latin radix (genitive radicis) "root" (see radish). Meaning "going to the origin, essential" is from 1650s. Radical sign in mathematics is from 1680s.

Political sense of "reformist" (via notion of "change from the roots") is first recorded 1802 (n.), 1817 (adj.), of the extreme section of the British Liberal party (radical reform had been a current phrase since 1786); meaning "unconventional" is from 1921. U.S. youth slang use is from 1983, from 1970s surfer slang meaning "at the limits of control." Radical chic is attested from 1970; popularized, if not coined, by Tom Wolfe. Radical empiricism coined 1897 by William James (see empiricism).

MORE RELATED WORDS FOR RADICAL

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.