Standard Lemma guide

radicalize

verb · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈɹædɪkəlaɪz/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: R AE1 D IH0 K AH0 L AY2 Z Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

verb

Meaning 1

To make radical.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To become radical; to adopt a radical political stance.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

make more radical in social or political outlook

Definition source: Princeton WordNet 3.0

Examples

  • Her work in the developing world radicalized her

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: change, alter, modify

History

Etymology

Etymology tree English radical Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize English radicalize From radical + -ize.

Across languages

Translations

18 source translations are retained for this English entry.

  • Asturian: radicalizar — to make radical
  • Catalan: radicalitzar — to make radical
  • Czech: radikalizovat — to make radical
  • Dutch: radicaliseren — to make radical
  • Finnish: radikalisoida — to make radical
  • French: radicaliser — to make radical
  • Galician: radicalizar — to make radical
  • German: radikalisieren — to make radical
  • Greek: ριζοσπαστικοποιώ (rizospastikopoió) — to make radical
  • Hebrew: הִקְצִין (hiktsín) — to make radical
  • Hungarian: radikalizál — to make radical
  • Italian: radicalizzare — to make radical
  • Polish: radykalizować — to make radical
  • Polish: zradykalizować — to make radical
  • Russian: радикализировать (radikalizirovatʹ) — to make radical
  • Spanish: radicalizar — to make radical
  • Swedish: radikalisera — to make radical
  • Hungarian: radikalizálódik — to become radical