Use 'jubilant' to describe joy from a positive result, like winning a game or receiving good news. She was jubilant upon hearing she passed her exams with high marks.
Pro Tip 2/3
Not Subtle
'Jubilant' implies a strong, often visible display of happiness, not a quiet or reserved one. The jubilant fans cheered loudly as their team scored the winning goal.
Pro Tip 3/3
Group Emotion
'Jubilant' frequently describes a collective feeling shared by a group of people, like a crowd. The streets were filled with jubilant supporters celebrating the victory.