not meeting the proper standards and requirements and training
"After reviewing his file, the hiring manager decided he was unqualified for the role due to a lack of necessary certifications."
legally not qualified or sufficient
"a wife is usually considered unqualified to testify against her husband"
"incompetent witnesses"
Not qualified, ineligible, unfit for a position or task.
"The committee unanimously decided that he was unqualified to lead the project due to his lack of experience in crisis management."