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radical

radical

462 6.0
Completely new and different and changes the basic way something works
  • adjective
  • /ˈrædɪkəl/
translation icon : radical
  • The government is now positioned to implement the kind of radical reforms contained in the reanimation package.
  • a radical change
  • a radical movement
  • a radical shift

And I see a lot of radical Trail Blazers.

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Examples

  • For this and myriad other reasons, such a radical retelling certainly warrants scrutiny.

    Academic text (2017)
  • They represent some of the most radical views in Congress.

  • I think it's really radical and cool work.

  • That was a pretty radical thing to say.

  • -This is a radical plan.

  • It's too radical for them!

  • You made a much more radical transition in that way.

  • You gotta admit doc, it's a pretty radical theory.

  • I refuse to listen to such radical talk.

  • The committee proposed a radical change to the education system that would benefit all students.

Synonyms

revolutionary
vsradical
103 5.2

Causing a big change in how people do things

advocates thorough reform of the system's fundamental parts
extremist
vsradical
  • Literature
65 6.9

Having very strong political or religious views that most people reject

focuses on deep new ideas aiming reform rather than just extreme views

Antonyms

4.6

Does not want big changes and likes traditional values

85 4.6

A person with political views that are not extreme

Compounds

free radical
  • Specialized
8 5.1

A small unstable atom or molecule that can damage body cells by reacting with them

radical mastectomy
  • Specialized
3 6.1

Surgery that removes a breast, chest muscles, and lymph nodes under the armpit to treat breast cancer

radical hysterectomy
  • Specialized
1 7.2

Surgery that removes the womb, ovaries, fallopian tubes, cervix, and nearby lymph nodes to treat cancer

1 6.8

A surgery that removes a breast with nearby chest muscle and some armpit lymph nodes

radical chic
  • Offensive
1 9.7

A style where rich people show left-wing views to seem socially aware

benzoyl radical
  • Specialized
9.9

A reactive group that forms when benzoic acid loses its OH group

benzyl radical
  • Specialized
8.7

A small chemical group formed when toluene loses one hydrogen atom from its methyl part

cacodyl radical
  • Specialized
9.9

A small chemical group containing arsenic and two methyl parts

cyanide radical
  • Specialized
8.4

A small chemical group made of one carbon and one nitrogen atom written as -CN

cyano radical
  • Specialized
9.3

A small chemical group made of one carbon and one nitrogen atom that attaches to other molecules, written as −CN

acetyl radical
  • Specialized
7.9

A small group of atoms from acetic acid that can attach to other molecules

alcohol radical
  • Specialized
7.2

A group of atoms written as –OH that makes a molecule an alcohol

aldehyde radical
  • Specialized
7.9

A carbon atom double-bonded to oxygen and single-bonded to hydrogen

alkyl radical
  • Specialized
7.3

A group of carbon and hydrogen atoms that attaches to a molecule with one free bond

allyl radical
  • Specialized
9.6

A small, reactive part of a molecule with three carbon atoms and one unpaired electron

azo radical
  • Specialized
9.9

A chemical group with two nitrogen atoms that links two carbon chains and gives bright colours to dyes

azido radical
  • Specialized
9.9

A small chemical group made of three nitrogen atoms that carries a negative charge

ethanoyl radical
  • Specialized
9.9

A part of a molecule used in chemistry, formed from the acid in vinegar, written CH3CO

ethyl radical
  • Specialized
7.5

A small reactive group of two carbon and five hydrogen atoms that forms when ethane loses one hydrogen atom

methylene radical
  • Specialized
9.0

A very reactive group of one carbon and two hydrogen atoms that exists briefly in chemical reactions

methyl radical
  • Specialized
7.0

A very active group of one carbon and three hydrogen atoms with formula CH3, formed when methane loses one hydrogen

hydroxyl radical
  • Specialized
8.0

A small chemical part made of one oxygen and one hydrogen atom that reacts quickly

hydrazo radical
  • Specialized
9.9

A small chemical group made of two nitrogen atoms and hydrogen that can attach to a molecule at two places

propyl radical
  • Specialized
8.2

A small reactive part of a molecule made from propane when it loses one hydrogen

radical sign
  • Specialized
5.3

A symbol √ that shows the square root of a number

9.6

A small secret group of people who plan or use political violence

uranyl radical
  • Specialized
9.9

A charged particle made of uranium and oxygen that forms salts with acids

vinyl radical
  • Specialized
8.8

A small chemical group with formula CH2=CH− that reacts easily in making plastics

How Radical

extreme
877 3.6
revolutionary
103 5.2
radical
462 6.0
reformist
6 6.1
moderate
85 4.6
conservative
306 4.4

Surface Forms

radical positive
radicaler comparative
radicalest superlative

Morphology

radical = radic + al

The modern sense 'extreme'/'fundamental' is a metaphorical extension that an average B1 learner cannot derive from the unseen combining form 'radic' + '-al'.

Etymology

Radical comes from the Latin radix, meaning 'root'. So a radical change is one that goes to the 'root' of a problem, making it very new or very different.