至誠 しせい Meanings Noun sincerity; devotion Kanji 至 utmost. Read as シ. 誠 sincere. Read as セイ. Words containing 至誠 至誠天に通ず (しせいてんにつうず) sincerity can move heaven 至誠館大学 (しせいかんだいがく) Shiseikan Hall University Jinuma: Japanese Dictionary · Word lists