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radicalize

[rad-i-kuh-lahyz]
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verb (used with object), rad·i·cal·ized, rad·i·cal·iz·ing.
  1. to make radical or more radical, as in politics: young people who are being radicalized by extremist philosophies.
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verb (used without object), rad·i·cal·ized, rad·i·cal·iz·ing.
  1. to become radical or more radical: The regime has increasingly radicalized since the coup.
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Also especially British, rad·i·cal·ise.

Origin of radicalize

First recorded in 1815–20; radical + -ize
Related formsrad·i·cal·i·za·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for radicalise

radicalize

radicalise

verb (tr)
  1. to make (a person) more radical
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Derived Formsradicalization or radicalisation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for radicalise

radicalize

v.

1820, from radical (adj.) + -ize. Related: Radicalized; radicalizing.

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Online Etymology Dictionary, © 2010 Douglas Harper