adverb
- in a manner of existing together eternally; with equal or simultaneous eternity
Usage: theological or philosophical; formal
Examples
- In Christian theology, the Father and Son are said to exist coeternally.
- The two principles were believed to operate coeternally within the cosmic order.
- Philosophers debated whether matter and form exist coeternally or sequentially.
- The doctrine holds that these divine attributes subsist coeternally with God's essence.