sem·pi·ter·nal 
(sĕm′pĭ-tûrnəl)
(sĕm′pĭ-tûrnəl)adj.
Enduring forever; eternal.
[Middle English, from Old French sempiternel, from Late Latin sempiternālis, from Latin sempiternus : semper, always; see sem-1 in the Appendix of Indo-European roots + aeternus, eternal; see aiw- in the Appendix of Indo-European roots.]
sem′pi·terni·ty (-nĭ-tē) n.
- free world
- freewrite
- freewriting
- freezable
- freeze
- freeze blood
- freeze-dry
- freeze-etch
- freeze-etching
- freeze-frame
- freeze frame
- freeze out
- freezer
- freezer burn
- freeze (someone's) blood
- freeze someone's blood
- freezing point
- free zone
- F region
- Freiburg
- freight
- freightage
- freight car
- freighter
- freight train