From Longman Dictionary of Contemporary Englishoverqualifiedo‧ver‧qual‧i‧fied /ˌəʊvəˈkwɒlɪfaɪd◂ $ ˌoʊvərˈkwɑː-/ adjective SEif you are overqualified for a particular job, you have more experience or training than is needed OPP underqualified I’m having trouble finding another job – everyone says I’m overqualified.
Examples from the Corpus
overqualified• I'm having trouble finding a job - everyone says I'm overqualified.• You may find that an overqualified person will quickly become dissatisfied and leave. 