The phrase "inadequate staffing" means that there are not enough people or workers available to handle a certain job, task, or responsibility efficiently. Full definition
However, they did not pass a contract for the school for a number of reasons, including inadequate staffing for special education students and English language learners at the school. (madisonscape.com)
The audit found inadequate staffing is also an issue - only one part time employee handles nursing home enforcement issues. (wshu.org)
Even with inadequate staffing, the proposed budget does not work. (host.madison.com)