- The definition of insufficient is that there is not enough of something.
If you want to buy something that costs $100 and you only have $40, this is an example of a time when you have insufficient funds.
insufficient definition by Webster's New World
Origin: Late Latin insufficiens
- insufficiently adverb
insufficient definition by American Heritage Dictionary
- inˌsuf·fiˈcient·ly adverb
insufficient - Medical Definition
- Not sufficient.
- Incapable of proper functioning.