Related Clues:
- Very long period (US)
- Name Fleming had, say, for a very long time
- Prolonged period in English cricket side
- For starters, eat oysters? Never in a thousand million years
- Development of one billion years
- Sort of Latin not seen in, say, Homer's times
- Regularly bemoan age
- Energy needed, working for a long period
- Single European taking top position for a long time
- Long time no see — finally turned up
- In space, one thousand million years
- Period too long to measure
- Forever, basically
- Long time periods
- Ages and ages, collectively