discard in WordNet English dictionary

1. throw or cast away
   "Put away your worries"
   discard  fling  toss  toss out  toss away  chuck out  cast aside  dispose  throw out  cast out  throw away  cast away  put away 
   

1. getting rid something that is regarded as useless or undesirable
   discard  throwing away 
   
2. (cards) the act of throwing out a useless card or of failing to follow suit
   discard 
   
3. anything that is cast aside or discarded
   discard