inadequacy
US /ɪnˈædɪkwəsi/
・UK /ɪn'ædɪkwəsɪ/
B1
noun
- Not enough; not good enough; not satisfactory
Examples
His advice was to be defensive and never admit to any inadequacy.
She rightly points to the inadequacy of the argument. The test soon revealed several inadequacies in the equipment.