Related Clues:
- Amazingly long time
- An eternity
- Word with Dark or Middle
- Longish span
- Census statistics
- DMV wait time, seemingly
- Nonspecific duration
- Quite a stretch
- Eternities
- Has another birthday
- They're a part of every century
- Vast expanse of time
- Subjects of white lies, sometimes
- See 66-Across
- Geologic time unit