日新 にっしん Also written じっしん Meanings Noun day-by-day renewal; rapid progress Kanji 日 day. Read as ニチ. 新 new. Read as シン. Words containing 日新 日新火災海上保険 (にっしんかさいかいじょうほけん) Nisshin Fire and Marine Insurance Company, Limited Jinuma: Japanese Dictionary · Word lists