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]
(..) How many are we expecting? Half a dozen. - Who are they? - A wedding present from Moriarty. Lovely ceremony by the way, Many a tears shed in joy. Oh.. John! Just a minute darling. Do you trust me? No. Well, then I should have to... (..)2011 Sherlock Holmes: A Game of Shadows