先任 せんにん Meanings Noun seniority; predecessor Kanji 先 ahead. Read as セン. 任 entrust. Read as ニン. Words containing 先任 先任者 (せんにんしゃ) senior official 先任順 (せんにんじゅん) order of seniority 先任将校 (せんにんしょうこう) senior officer Jinuma: Japanese Dictionary · Word lists