Last seen in:
- L.A. Times Daily - May 27 2022
- The Washington Post - May 27 2022
- Wall Street Journal - Apr 7 2020 - Sporting Chance
- Wall Street Journal - Nov 14 2018 - Double Meanings
- USA Today - Feb 17 2018
- USA Today - Nov 27 2017
- New York Times - Jul 5 2015
- Wall Street Journal - Jun 27 2014 - June 27, 2014 - Colorful Language
- Boston Globe - Jun 26 2011
- New York Times - Nov 28 2006
Related Clues:
- Forever, more or less
- Immeasurable period of time (Var.)
- Vast time span
- 365 billion days, geologically
- Big stretch?
- A million millennia (Var.)
- Long geological span
- Two or more eras, in geologic time
- Largest geologic time division
- Long time-
- Longest division of geologic time
- It takes forever
- '___ Flux'
- Unimaginably long time (Var.)
- Proterozoic, for one