Definition of "radicalize" [radicalize]

• To make radical or more radical: "Many, probably most, of those have been radicalized by their experiences among the poor” ( Conor Cruise O'Brien). (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Iraqi Sunni Muslims waging a long conflict from Syrian soil could once again radicalize Syria’s own Sunni com-munity."
• "He noted that stepped-up fighting in the tribal areas of Pakistan could further "radicalize" that nation."
• "While "Just Say Yes" to war in Yemen will increasingly burden the working classes-who pay and fight America's wars-it will "radicalize" more individuals and raise "extremist" threats around the world, as, and once again, did the wars in Afghanistan and Iraq."