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Insufficient vs Insufficiency - What's the difference?

insufficient | insufficiency |

As an adjective insufficient

is not sufficient.

As a noun insufficiency is

the lack of sufficiency; a shortage or inadequacy.

insufficient

English

Adjective

(en adjective)
  • Not sufficient.

    • Synonyms

    * unsufficient

    Derived terms

    * insufficiently

    insufficiency

    English

    Noun

    (insufficiencies)
  • The lack of sufficiency; a shortage or inadequacy.
    • The troops went hungry because of the insufficiency of their supplies.

    Synonyms

    * unsufficiency (obsolete)