unceasing
adjective
1. continuing forever or indefinitely
Similar word(s): lasting, permanent, aeonian, ageless, eonian, eternal, everlasting, perpetual, unending
2. uninterrupted in time and indefinitely long continuing
- man's unceasing warfare with drought and isolation
Similar word(s): continuous, uninterrupted, ceaseless, constant, incessant, perpetual, unremitting