She answered the phone and, to her great 'joy', heard her son's voice on the line. [=she felt very happy when she heard her son's voice]
“You've spent hours looking for it. Any 'joy'? [='luck']” “No 'joy' whatsoever, I'm afraid. I can't find it.”
They were 'shouting/jumping for joy'. [=they shouted/jumped because they were very happy]
(..) with nothing there to back him up... but wit and balls... and will. This killer, this king. Beautiful! "I drink to the general joy... of the whole table." Shakespeare. Are you out of trouble or are you just playing a game? - I'm dancing with you. (..)1974 The Gambler