forfeit in WordNet English dictionary

1. surrendered as a penalty
   confiscate  forfeit  forfeited 
   

1. lose (s.th.) or lose the right to (s.th.) by some error, offense, or crime
   "you've forfeited your right to name your successor"; "forfeited property"
   forfeit  give up  throw overboard  waive  forgo  forego 
   

1. the act of losing or surrendering something as a penalty for a mistake or fault or failure to perform etc.
   forfeit  forfeiture  sacrifice 
   
2. a penalty for a fault or mistake that involves losing or giving up something
   "the contract specified forfeits if the work was not completed on time"
   forfeit  forfeiture 
   
3. something that is lost or surrendered as a penalty;
   forfeit  forfeiture