relinquishing re·lin·quis·hing US/riˈlɪŋkwɪʃɪŋ/ uncommon noun 1. a verbal act of renouncing a claim or right or position etc. Synonymsrelinquishment 2. the act of giving up and abandoning a struggle or task etc. Synonymsrelinquishment Related words Word family relinquish Broader terms terminationrenunciation Narrower terms cessionhandoverreleasegiving up WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.