先 せん Meanings の-adjective, Noun former; previous; old Noun first move (in go, shogi, etc.); opening move Kanji 先 ahead. Read as セン. Words containing 先 先生 (せんせい) teacher 先週 (せんしゅう) last week 先輩 (せんぱい) senior (at school, work, etc.) And 313 more. Jinuma: Japanese Dictionary · Word lists