Definition of insufficient
- insufficient funds
- insufficient bandwidth
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
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'insufficient.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 14th centurySee Words from the same year
: not having or providing enough of what is needed : not sufficient
What made you want to look up insufficient? Please tell us where you read or heard it (including the quote, if possible).