1. immortal; never dying or ending
2. timeless; remembered or celebrated forever

Examples

• The ancient gods were believed to be deathless beings.
• Shakespeare’s deathless poetry continues to inspire readers today.
• The hero’s deathless courage became the stuff of legend.
• Her deathless love for her children never wavered.
• The artist created a deathless masterpiece that will be admired for centuries.
• Ancient myths often feature deathless warriors who cannot be killed.
• His deathless fame as a musician lives on decades after his passing.