In`suf*fi"cient (?), a. [L. insufficiens, -entis. See In- not, and Sufficient.]
1.
Not sufficient; not enough; inadequate to any need, use, or purpose; as, the provisions are insufficient in quantity, and defective in quality.
"
Insufficient for His praise."
Cowper.
2.
Wanting in strength, power, ability, capacity, or skill; incompetent; incapable; unfit; as, a person insufficient to discharge the duties of an office.
Syn. -- Inadequate; scanty; incommensurate; unequal; unfit; incompetent; incapable; inefficient.
© Webster 1913.