Definition of overdependent
: excessively dependent on another for support or assistance
overdependent children overdependent behavior [=behavior that is characteristic of an overdependent person] had an overdependent relationship with [=was too dependent upon] her mother patients who are overdependent on pain killers an economy that is overdependent on foreign imports
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Merriam-Webster unabridged
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Time Traveler for overdependent
The first known use of overdependent was in 1929
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