The quality of being alive or the state of being alive.

The quality of being active or vibrant in a lively manner.

सक्रिय या जीवंत रहने की गुणवत्ता

English Usage: The liveness of the performance kept the audience engaged.

Hindi Usage: प्रदर्शन की जीवंतता ने दर्शकों को व्यस्त रखा।