恩師 おんし Meanings Noun teacher (to whom one owes a debt of gratitude); mentor; one's former teacher Kanji 恩 favor. Read as オン. 師 master. Read as シ. Example sentences 私は恩師の世話でこの仕事に就いた。I got this job with my teacher's help. 彼は恩師にまったく感謝していなかった。He was far from thankful to his former teacher. Common phrases 恩師である Word lists Honorific (尊敬語) Jinuma: Japanese Dictionary · Word lists