say it: RAD-i-kuh-lahyz
radicalize is a verb meaning "make more radical in social or political outlook". It carries one recorded sense.
make more radical in social or political outlook
“Her work in the developing world radicalized her”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for radicalize come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.