Simple past tense and past participle of radicalise.(verb)
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Use "radicalised" in a sentence
"If other countries in the middle east become more radicalised, which is likely as democracy gains traction, will Israel then be faced with several Irans and or Syrias surrounding it."
"The BBC of course would prefer to downplay these attacks by "radicalised" Muslims and others on British Jews whilst continuing to warn of the dangers of a "backlash against Muslims"."
"Now, I'm no fan of parents instilling racial intolerance in their kids, but if "All Christians are bad" is the gold standard for telling whether a kid is being "radicalised," then I quake for all the Jewish kids I grew up with hearing things like "A shikker is a goy" (gentiles are drunks)."