Meaning : A lack of competence.
Example :
Pointed out the insufficiencies in my report.
Juvenile offenses often reflect an inadequacy in the parents.
Synonyms : inadequacy
Meaning : (pathology) inability of a bodily part or organ to function normally.
Meaning : Lack of an adequate quantity or number.
Example :
The inadequacy of unemployment benefits.
Synonyms : deficiency, inadequacy
The quality of being sufficient for the end in view.
He questioned the sufficiency of human intelligence.