[suh-fish-uh n-see]


the state or fact of being sufficient; adequacy.
a sufficient number or amount; enough.
adequate provision or supply, especially of wealth.

Origin of sufficiency

1485–95; < Late Latin sufficientia; see sufficient, -ency
Related formso·ver·suf·fi·cien·cy, nounpre·suf·fi·cien·cy, nounsu·per·suf·fi·cien·cy, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for sufficiency

enough, plenty

Examples from the Web for sufficiency

Historical Examples of sufficiency

  • With national ownership a sufficiency of cars would be provided.

    The Railroad Question

    William Larrabee

  • With them he fences heroically and causes a sufficiency of clatter and noise.

    Mountain Meditations

    L. Lind-af-Hageby

  • Beyond a sufficiency for his daily needs money has not much value.

  • Indeed, there had been a sufficiency of law and lawyers in my affairs already.


    Henry Seton Merriman

  • These concern the sufficiency of the consideration and the moment when the contract is made.

    The Common Law

    Oliver Wendell Holmes, Jr.

British Dictionary definitions for sufficiency


noun plural -cies

the quality or condition of being sufficient
an adequate amount or quantity, as of income
archaic efficiency
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sufficiency

late 15c., from Latin sufficientia, from sufficiens (see sufficient) + -cy. Sufficience is from late 14c.

Online Etymology Dictionary, © 2010 Douglas Harper