Extreme
Extreme adjective - Being very far from the center of public opinion.
Usage example: their extreme political views attracted only a small band of followers
Radical is a synonym for extreme in concern topic. In some cases you can use "Radical" instead the word "Extreme" as an adjective or a noun, when it comes to topics like severe, drastic, revolutionary, fanatical. popular alternative
Radical
Radical adjective - Being very far from the center of public opinion.
Usage example: the baggy trousers that Amelia Bloomer introduced in the 1850s were considered a radical form of dress for women at the time
Extreme is a synonym for radical in revolutionary topic. You can use "Extreme" instead the word "Radical" as an adjective or a noun, if it concerns topics such as concern, fanatical. popular alternative
Mutual synonyms
How words are described
| unfortunate | unfortunate extreme | unfortunate radical |
| dangerous | dangerous extreme | dangerous radical |
| insane | insane extreme | insane radical |
| different | different extreme | different radical |
| Other adjectives: comic. | ||
Both words in one sentence
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This means that the more radical and extreme an individual's political beliefs get, the more they come to resemble the beliefs of individuals on the "opposite" end of the political spectrum.
Source: The Horseshoe Effect -
The Horseshoe Effect is closely related, as it concerns statements which are so radical and extreme, it's difficult to tell whether they're coming from the far-left or the far-right.
Source: Poe's Law - Nearly everyone who subsequently raises the issue points to his research and example to justify their own stances... Which is sometimes unfortunate, as many of them are more radical and extreme than he was. N.G.O.
Cite this Source
Radical and Extreme. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/extreme/radical
Extreme & Radical. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/extreme/radical>.
Radical or Extreme. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/extreme/radical.
Google Ngram Viewer shows how "extreme" and "radical" have occurred on timeline