in an inadequate manner or to an inadequate degree

the quality of being able to meet a need satisfactorily: "he questioned the adequacy of the usual sentimental interpretation of the Golden Rule"

having the requisite qualities or resources to meet a task

unsatisfactoriness by virtue of being inadequate

not giving satisfaction

the quality of being able to meet a need satisfactorily: "he questioned the adequacy of the usual sentimental interpretation of the Golden Rule"

inadequate in amount or degree

not meeting requirements

inadequate in number of workers or assistants etc.