クローズドモーゲージMeanings1nounclosed mortgageA mortgage that cannot be prepaid, renegotiated, or refinanced before maturity without a penalty. Used in financial contexts.クローズドモーゲージは、途と中ちゅうで返へん済さいすると違い約やく金きんが発はっ生せいすることが多おおい。With a closed mortgage, prepaying often incurs a penalty.