1. Everlasting happiness or bliss that lasts forever; often used in religious, philosophical, or literary contexts
The promise of eternal joy awaits the faithful in paradise.
A promessa da alegria eterna aguarda os fiéis no paraíso.
2. A state of perpetual contentment and delight without end
She sought alegria eterna through spiritual enlightenment.
Ela buscava a alegria eterna através da iluminação espiritual.