Insufficient
From BiblePortal Wikipedia
Insufficient [1]
(1): ( a.) Wanting in strength, power, ability, capacity, or skill; incompetent; incapable; unfit; as, a person insufficient to discharge the duties of an office.
(2): ( a.) Not sufficient; not enough; inadequate to any need, use, or purpose; as, the provisions are insufficient in quantity, and defective in quality.