overflow in WordNet English dictionary

1. flow or run over (a limit or brim)
   overflow  overrun  well over  run over  brim over 
   
2. overflow with a certain feeling
   "The children bubbled over with joy"; "My boss was bubbling over with anger"
   bubble over  overflow  spill over 
   

1. a large flow
   flood  overflow  outpouring 
   
2. the occurrence of surplus liquid (as water) exceeding the limit or capacity
   overflow  runoff  overspill