INSUFFICIENCY
insufficiency, inadequacy, deficiency
(noun) lack of an adequate quantity or number; “the inadequacy of unemployment benefits”
insufficiency
(noun) (pathology) inability of a bodily part or organ to function normally
insufficiency, inadequacy
(noun) a lack of competence; “pointed out the insufficiencies in my report”; “juvenile offenses often reflect an inadequacy in the parents”
Source: WordNet® 3.1
Etymology
Noun
insufficiency (plural insufficiencies)
The lack of sufficiency; a shortage or inadequacy.
Synonym: unsufficiency (obsolete)
Source: Wiktionary
In`suf*fi"cien*cy, n. Etym: [L. insufficientia: cf. F. insuffisance,
whence OE. insuffisance. See Insufficient.]
1. The quality or state of being insufficient; want of sufficiency;
deficiency; inadequateness; as, the insufficiency of provisions, of
an excuse, etc.
The insufficiency of the light of nature is, by the light of
Scripture, . . . fully supplied. Hooker.
2. Want of power or skill; inability; incapacity; incompetency; as,
the insufficiency of a man for an office.
Source: Webster’s Unabridged Dictionary 1913 Edition