over-reliance
/əʊvərɪˈlʌɪəns
/noun [mass noun]
Excessive dependence on or trust in someone or something: an over-reliance on technology...
- Many of today's security breaches can be blamed on an over-reliance on passwords.
- Pete's major error is his over-reliance on the crew.
- He questioned the company's over-reliance on a small number of core products to deliver growth.