In'suf-fī'cient, a.

(-fĭsh'ent), a. [Prefix in, not, and sufficient; Lat. insufficiens, It. & Pg. insufficiente, Sp. insufficiente, Fr. insuffisant.]

1. Not sufficient; inadequate to any need, use, or purpose; as, the provisions are insufficient in quantity, and defective in quality.
2. Wanting in strength, power, ability, or skill; incapable; unfit; as, a person insufficient to discharge the duties of an office.

Syn.—Inadequate; incommensurate; unequal; incompetent; unfit; incapable.