INSUFFI'CIENCY, noun [in and sufficiency.]

1. Inadequateness; want of sufficiency; deficiency; as an insufficiency of provisions to supply the garrison.

2. Inadequacy of power or skill; inability; incapacity; incompetency; as the insufficiency of a man for an office.

3. Want of the requisite strength, value or force; defect.

The insufficiency of the light of nature is supplied by the light of Scripture.