insufficient Meaning, Definition & Usage

  1. adjective of a quantity not able to fulfill a need or requirement
    deficient.
    • insufficient funds

WordNet

In`suf*fi"cient adjective
Etymology
L. insufficiens, -entis. See In- not, and Sufficient.
Definitions
  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