deficiency

/dɪˈfɪʃənsi/
noun
  1. A lack or shortage of something that is needed or expected.
    • There is a deficiency of affordable housing in the city.
    • The team's main deficiency is a lack of experience.
    • The patient's diet caused a vitamin D deficiency.
  2. A fault, weakness, or imperfection in something.
    • The building had structural deficiencies that needed to be repaired.
    • Her only deficiency as a candidate is her limited public speaking experience.
    • The report pointed out several deficiencies in the company's safety procedures.