先入 せんにゅう Meanings Noun preconception; prejudice Kanji 先 ahead. Read as セン. 入 enter. Read as ニュウ. Words containing 先入 先入観 (せんにゅうかん) preconception 先入見 (せんにゅうけん) preconception 先入主 (せんにゅうしゅ) preconception Jinuma: Japanese Dictionary · Word lists