1. excessive reliance on someone or something; the state of depending too much on a person, substance, or system.
Usage: uncountable noun; often used in contexts of psychology, economics, and social policy

Examples

• The country's overdependence on oil exports made its economy vulnerable to price fluctuations.
• Therapists warn about overdependence on social media among teenagers.
• Many patients struggle with overdependence on prescription painkillers.
• The company's overdependence on a single client posed a serious business risk.
• Experts cite overdependence on fossil fuels as a major environmental concern.
• Children who show overdependence on their parents may struggle with independence later.
• The region's overdependence on agriculture limited economic diversification.