adjective🔗Share遡及的な, 遡って適用されるExtending in scope, effect, application or influence to a prior time or to prior conditions"The new law is retroactive to January 1st, meaning it applies to actions taken since that date. "新しい法律は1月1日に遡及的に適用され、その日以降に行われた行為に適用されることになります。lawgovernmentbusinessfinancetimeChat with AIVocabulary GamePractice Reading