節介 せっかい Meanings な-adjective, Noun meddling; meddlesomeness; nosiness; interference; officiousness See also: お節介 (おせっかい). Kanji 節 section. Read as セツ. 介 mediate. Read as カイ. Related forms お節介 (おせっかい) meddling (polite) Words containing 節介 お節介 (おせっかい) meddling Jinuma: Japanese Dictionary · Word lists