inadequacy

noun, plural in·ad·e·qua·cies for 2.

1. Also in·ad·e·quate·ness [in-ad-i-kwit-nis] /ɪnˈæd ɪ kwɪt nɪs/. the state or condition of being inadequate; insufficiency.
2. something inadequate; defect: The plan has many inadequacies.