joy joy /ˈdʒɔɪ/

noun

1. () The emotion of great happiness  ( joyfulness , joyousness , joy )
   the emotion of great happiness
     The little girl's face lit up with pure joy when she saw her birthday cake.
   The little girl's face lit up with pure joy when she saw her birthday cake.
   
   
2. () Something or someone that provides a source of happiness  ( delight , pleasure , joy )
   something or someone that provides a source of happiness
    A joy to behold
   a joy to behold
    The pleasure of his company
   the pleasure of his company
    The new car is a delight
   the new car is a delight
   
   

verb

1. Make glad or happy  ( gladden , joy )
   make glad or happy
   
2. Feel happiness or joy  ( joy , rejoice )
   feel happiness or joy
     We rejoice in the birth of a healthy baby boy.
   We rejoice in the birth of a healthy baby boy.