1) 窄すぼまる #32,676 Inflections of 窄まる Class Godan verb Stem Inflected ending ✕ Link copied! すぼまる [0] すぼまる [3] Meaning Shirabe Godan verb Intransitive verb Usually kana to get narrower; to contract Kanji 窄 サク narrow, fold, furl Forms 窄まる#32,676窄すぼまるつぼまる#169,227つぼまるすぼまるすぼまる