radical Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "radical" - English Dictionary

See all translations

radicaladjective

uk   us   /ˈræd.ɪ.kəl/

radical adjective (SUPPORTING CHANGE)

C2 believing or expressing the belief that there should be great or extreme social or political change: He was known as a radical reformer/thinker/politician. These people have very radical views.
More examples

radical adjective (VERY IMPORTANT)

C1 relating to the most important parts of something or someone; complete or extreme: We need to make some radical changes to our operating procedures. She has had to undergo radical surgery (= aimed at removing the cause of a disease).
More examples

radical adjective (extensive)

specialized medical aimed at removing all diseased tissue: Cervical cancer may be cured with radical surgery when it is confined to the pelvis or regional lymph nodes.
radically
adverb uk   us   /-i/
C1 Barker introduced some radically new ideas.

radicalnoun [C]

uk   us   /ˈræd.ɪ.kəl/
C2 a person who supports great social and political change: She was a radical all her life.
radicalism
noun [U] uk   us   /-ɪ.zəm/
(Definition of radical from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of radical?
Add Cambridge dictionaries to your browser to your website

More meanings of “radical”

Definitions of “radical” in other dictionaries

Word of the Day
poke

to greet someone on a social networking website by leaving them a special short message

Word of the Day

The cake was made by my sister: how to use the passive in English.
The cake was made by my sister: how to use the passive in English.
by Liz Walter,
June 24, 2015
Look at these two sentences: My sister made the cake. The cake was made by my sister. Both these sentences mean the same. The first is an active sentence: it tells you what the sister did. The second is a passive sentence: it tells you what happened to the cake. Here are

Read More 

burger noun
burger noun
June 29, 2015
a menu on a computer screen comprising three short parallel horizontal lines which the user clicks to see options Definitely use a burger. You could put the settings in the burger menu too. Fix the settings to the bottom of the burger menu and use a vertically scrolling contact list that scrolls behind

Read More