積ん読 つんどく buying books and not reading them #4,281 Meanings also 積読 · つん読 noun, takes する, transitive buying books and not reading them; stockpiling books; tsundoku noun books bought but not read Its kanji 積 セキ · つ.む、-づ.み、つ.もる、つ.もり volume, product (x*y), acreage, contents, pile up, stack, load, amass 読 ドク、トク、トウ · よ.む、-よ.み read