deficiency
//dɪˈfɪʃənsi//
Noun
deficiencySingular
deficienciesPlural
1
A lack or shortage of something essential or necessary.
A vitamin deficiency can cause serious health problems.
2
A failing or shortcoming in a person's character, ability, or performance.
The report highlighted several deficiencies in his leadership skills.
3
An inadequate amount of a nutrient or substance required for proper bodily function.
Iron deficiency can cause fatigue and weakness.