The Open Dictionary

deficiency

noun

UK/dɪˈfɪʃ.ᵊn.si/
US/dɪˈfɪʃ.ᵊn.si/

Definitions of deficiency noun

  1. C1CountableUncountable

    the state of not having enough of something that is needed.

    • The plant showed poor growth due to nutrient deficiencies.

    • The check-up revealed a vitamin D deficiency.

    • The major problem with this project is a deficiency of funds.