一寸 いっすん Meanings Noun one sun (approx. 3 cm) See also: 寸 (すん). Noun, Adverb little bit (of time, distance, etc.) Kanji 一 one. Read as イチ. 寸 inch. Read as スン. Words containing 一寸 一寸先 (いっすんさき) an inch ahead 一寸逃れ (いっすんのがれ) quibbling 一寸法師 (いっすんぼうし) dwarf And 4 more. Jinuma: Japanese Dictionary · Word lists