insufficient


in·suf·fi·cient

adjective \ˌin(t)-sə-ˈfi-shənt\

: not having or providing enough of what is needed : not sufficient

Full Definition of INSUFFICIENT

:  not sufficient :  inadequate <insufficient funds>; especially :  lacking adequate power, capacity, or competence <insufficient bandwidth>
in·suf·fi·cient·ly adverb

Examples of INSUFFICIENT

  1. The case was thrown out because of insufficient evidence.
  2. <there's been an insufficient number of volunteers for the job, so I'll have to select someone>

Origin of INSUFFICIENT

Middle English, from Anglo-French, from Late Latin insufficient-, insufficiens, from Latin in- + sufficient-, sufficiens sufficient
First Known Use: 14th century

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