suddendelight
nounUK /ˈsʌdən dɪˈlaɪt/
US /ˈsʌdən dɪˈlaɪt/
A sudden delight is a happy surprise that makes you feel glad all at once.
Finding a puppy in the garden was a suddendelight for the whole family.
OTHER MEANINGS
2. A quick feeling of great happiness that comes without warning.
She felt a suddendelight when her friend called out of the blue.
3. Something small and unexpected that brings instant joy.
The rainbow after the storm was a suddendelight.
4. A moment of gladness that appears all at once.
His suddendelight showed in a big smile when he opened the gift.