Meaning of “joy” - Learner’s Dictionary

joy

noun uk us /dʒɔɪ/
HAPPINESS [ U ]

B2 a feeling of great happiness:

the joy of winning
PLEASURE [ C ]

B2 something or someone that makes you feel very happy:

She's a joy to work with.
SUCCESS [ U ] UK informal

success:

I tried ringing for a plumber, but had no joy.

(Definition of “joy” from the Cambridge Learner’s Dictionary © Cambridge University Press)