Vocabulary What does 自信 (じしん) mean? 自信 (じしん) means self-confidence. Quick factsReadingじしんPart of speechnounLevel (estimated, JLPT framework)N4 自信じしんN4 · estimated, JLPT frameworkCommonself-confidence1noun self-confidence; confidence (in oneself)Kanji in this word自self, oneself信trust, faith