[+ object] formal
: to give up (something) : to give (something, such as power, control, or possession) to another person or group
I will not relinquish my rights.
She was forced to relinquish control of the project.
The court ordered him to relinquish custody of his child.
1 :to withdraw or retreat from :leave behind
2 :give up relinquish a title
3 a :to stop holding physically :release slowly relinquished his grip on the bar
b :to give over possession or control of :yield few leaders willingly relinquish power