if someone is overpaid, they are paid too much for the job they do:
• Many CEOs are overpaid and underworked bureaucrats.
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overpaid UK US /ˌəʊvəˈpeɪd/ adjective
► an overpaid person is paid too much or more than usual: »
The bureaucrats, widely regarded as under-worked and overpaid, did not get much public sympathy for their pay claim.
► an overpaid amount of money is more than necessary: »
You can claim back any overpaid tax by filling in this form.
Financial and business terms. 2012.