1. continuing forever or for a very long time without stopping
2. happening repeatedly or very frequently

Examples

• The perpetual motion of the ocean waves was mesmerizing.
• She seemed to be in perpetual motion, never sitting still.
• The perpetual noise from the construction site was annoying.
• He lived in perpetual fear of losing his job.
• The garden required perpetual care to stay beautiful.
• Their perpetual arguments made everyone uncomfortable.
• The perpetual calendar shows dates for many years.