insufficient

adjective

in·​suf·​fi·​cient ˌin(t)-sə-ˈfi-shənt How to pronounce insufficient (audio)
: not sufficient : inadequate
insufficient funds
especially : lacking adequate power, capacity, or competence
insufficient bandwidth
insufficiently adverb

Examples of insufficient in a Sentence

The case was thrown out because of insufficient evidence. there's been an insufficient number of volunteers for the job, so I'll have to select someone
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Labor advocates say the strikers’ benefits bill is a necessary counter to the advantages most employers have at the bargaining table, especially since the Trump administration has left the National Labor Relations Board with insufficient members to act and shrunk the ranks of labor mediators. Mark Pazniokas, Hartford Courant, 31 May 2025 The measure previously failed to pass a procedural hurdle due to insufficient Democratic support. Owen Tedford, Forbes.com, 28 May 2025 May 7, 2025 DHS tells Harvard that the school's initial production of information on its international students is insufficient, and asks for more details. Peter Charalambous, ABC News, 28 May 2025 What defense attorneys say Patel’s attorneys, who have argued that the evidence was insufficient, had not filed a sentencing recommendation by Tuesday. Steve Karnowski, The Orlando Sentinel, 28 May 2025 See All Example Sentences for insufficient

Word History

Etymology

Middle English, from Anglo-French, from Late Latin insufficient-, insufficiens, from Latin in- + sufficient-, sufficiens sufficient

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of insufficient was in the 14th century

Browse Nearby Words

Cite this Entry

“Insufficient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insufficient. Accessed 4 Jun. 2025.

Kids Definition

insufficient

adjective
in·​suf·​fi·​cient ˌin(t)-sə-ˈfish-ənt How to pronounce insufficient (audio)
: not sufficient : inadequate
insufficiently adverb

More from Merriam-Webster on insufficient

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