1. the quality or state of being without end or interruption; continuousness

Examples

• The ceaselessness of the rain made outdoor activities impossible.
• She was exhausted by the ceaselessness of her baby’s crying.
• The ceaselessness of ocean waves has shaped the coastline for millions of years.
• His ceaselessness in pursuing his goals eventually led to success.
• The ceaselessness of city traffic noise bothered the new residents.
• The ceaselessness of her worrying affected her health.