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TOEFL IELTS BNC: 2361 COCA: 2929

radical

1 of 2

adjective

rad·​i·​cal ˈra-di-kəl How to pronounce radical (audio)
1
: of, relating to, or proceeding from a root: such as
a(1)
: of or growing from the root of a plant
radical tubers
(2)
: growing from the base of a stem, from a rootlike stem, or from a stem that does not rise above the ground
radical leaves
b
: of, relating to, or constituting a linguistic root
c
: of or relating to a mathematical root
d
: designed to remove the root of a disease or all diseased and potentially diseased tissue
radical surgery
radical mastectomy
2
: of or relating to the origin : fundamental
3
a
: very different from the usual or traditional : extreme
b
: favoring extreme changes in existing views, habits, conditions, or institutions
c
: associated with political views, practices, and policies of extreme change
d
: advocating extreme measures to retain or restore a political state of affairs
the radical right
4
slang : excellent, cool
radicalness noun

radical

2 of 2

noun

1
a
: a root part
b
: a basic principle : foundation
2
b
: a sound or letter belonging to a radical
3
: one who is radical
4
: free radical
also : a group of atoms bonded together that is considered an entity in various kinds of reactions or as a subunit of a larger molecule
5
a
: a mathematical expression indicating a root by means of a radical sign

Example Sentences

Adjective The computer has introduced radical innovations. There are some radical differences between the two proposals. The new president has made some radical changes to the company. a radical wing of extremists Noun He was a radical when he was young, but now he's much more moderate. radicals staged large, violent protests in the hopes of toppling the government See More
Recent Examples on the Web
Adjective
Ignatius symbolized this radical change in his life by leaving his sword before a statue of the Black Madonna at the Abbey of Montserrat. The Salt Lake Tribune, 13 Sep. 2022 This model shift represented a more radical change to our previous ordering process. Kelly Feist, Forbes, 26 Aug. 2022 Cynicism was once seen as radical, now is largely viewed as corrosive. Alia E. Dastagir, USA TODAY, 27 July 2022 In 2018 and 2019, Barnes's four-day week policy intrigued business executives but most still viewed the idea as too radical to implement themselves. Fortune, 30 May 2022 Weil’s withdrawal followed a punishing campaign by business interests to paint his pro-labor views as radical. Michael Hiltzik, Los Angeles Times, 19 May 2022 Sure, there are people in the Democratic Party who espouse views that many view as radical. Frida Ghitis, CNN, 19 May 2022 With their specific programs, the Democrats seem always on the political offensive; with their general principles, the Republicans on the defensive, seeing it as their chief task to block costly Democratic bills and other attempts at radical change. Joseph Epstein, WSJ, 30 Aug. 2022 Just considering the possibility of an SUV represents a radical change in thinking for the automaker, which has only built supercars since it was established in the mid-1980s. Bryan Hood, Robb Report, 30 Aug. 2022
Noun
Sorokin is both an incinerator and archaeologist of the forms that precede him: a literary radical who’s a dutiful student of tradition, and a devout Christian whose works mercilessly mock the Orthodox Church. Aaron Timms, The New Republic, 2 Sep. 2022 At some point these articles must have come to the attention of Georg Büchner, a German medical student, playwright and political radical. Sam Sacks, WSJ, 24 June 2022 Failure to do so could bring a radical to the Presidency in five years—with damaging consequences far beyond France. The Editorial Board, WSJ, 20 June 2022 But right then, in that moment, the 40-something poet, journalist and simmering social radical was trapped in a luxury car with the corporate squares, a beetle in cooling agate. Dwain Hebda, Arkansas Online, 5 June 2022 Identity politics aside, Republicans will face two challenges in portraying Jackson as a wild-eyed radical. Dan Mclaughlin, National Review, 3 Mar. 2022 Opa chafed in particular at the books and articles that reinforced the Nazi claim that Arthur had been a political radical. Mattie Kahn, The Atlantic, 5 May 2022 The Left is busy convincing itself that Youngkin has morphed into a radical. The Editors, National Review, 19 Jan. 2022 However, critics have painted her as a dangerous radical, recalling Zelaya's closeness to late Venezuelan president Hugo Chavez. Reuters, CNN, 29 Nov. 2021 See More

Word History

Etymology

Adjective

Middle English, from Late Latin radicalis, from Latin radic-, radix root — more at root

First Known Use

Adjective

14th century, in the meaning defined at sense 1

Noun

1641, in the meaning defined at sense 1a

Time Traveler
The first known use of radical was in the 14th century

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