WordWeb Online

1. A verbal act of renouncing a claim or right or position etc.
   - relinquishment
    
2. The act of giving up and abandoning a struggle or task etc.
   - relinquishment

1. Part with a possession or right
   "I am relinquishing my bedroom to the long-term house guest"
   - release, resign, free, give up
    
2. Do without or cease to hold or adhere to
   "relinquish the old ideas"
   - waive, forgo, forego, foreswear, dispense with
    
3. Turn away from; give up
   "I am relinquishing women forever"
   - foreswear, renounce, quit
    
4. Stop holding on to; allow to move
   "relinquish your grip on the rope--you won't fall"
   - let go of, let go, release

Type of: abandon, conclusion, ending, give, give up, hand, pass, pass on, reach, renouncement, renunciation, termination, turn over