How to say "crusade" in Japanese

• 聖戦せいせんCommon
  nounCovers 'crusade' in its literal sense: a holy war waged for religious ends, as in the medieval Crusades. For a figurative crusade meaning a campaign for a cause, use 運動.
• 運動うんどうJLPT N4approx.Common
  noun, suru verb, intransitive verbCovers 'crusade' in its figurative sense: a vigorous, organized campaign or drive promoting a cause, with no sense of actual warfare. Think of a sustained public drive for social or political change.
  堅実けんじつな草の根くさのねレベルの運動うんどうを築きずきあげることに集中しゅうちゅうしなければならない。↗

  We must focus on building a solid grass-roots movement.

Use 聖戦 for 'crusade' in its literal sense of a holy war fought for religious ends, and 運動 for the figurative sense of a crusade as an organized campaign or drive for a cause.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 聖戦せいせんholy war
• 義戦ぎせんcrusade
• 運動うんどうappeal