口先三寸 くちさきさんずん Meanings Noun glib tongue; eloquence or flattery designed to deceive (common error for 舌先三寸) See also: 舌先三寸 (したさきさんずん). Kanji 口 mouth. Read as くち. 先 ahead. Read as さき. 三 three. Read as サン. 寸 inch. Read as スン. Jinuma: Japanese Dictionary · Word lists