かさむ

かさむ 【嵩む 】【増える 】increase, ｟やや書 ｠ mount up ; 【山のようにたまる 】pile up .▸ 彼の借金はかさんでいた His debts increased [mounted up, piled up ].▸ 事故で予想以上に出費がかさんだ The accident increased our expenses more than we expected .▸ 近ごろは出費がかさむ Expenses are high these days .