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]
(..) ♪ Rolling along! ♪ ♪ Make me a channel of your peace ♪ ♪ Where there's despair in life let me bring hope ♪ ♪ Where there is darkness only light / and where there’s sadness ever joy ♪ ♪ There are giants in the sky. ♪ ♪ There are big tall terrible giants in the sky. ♪ (..)2017 Lady Bird