Crossword Puzzle Clue Answers
We've seen 2 answers for the crossword clue 'Billion years' in our database. It has been used in 28 crosswords, the latest of which was the Mirror Daily crossword on December 15, 2025.
Crossword answers for the clue "Billion years"
- EON
- AEON
Related Clues
- Long time
- Phanerozoic, for instance
- Waiting period, seemingly
- Long, long time
- One billion years, in geology
- Quite a while
- Age
- Forever, or close to it
- Lots of time
- Interminable time
- A billion years
- One billion years
- Years on end
- Seemingly forever
- Years and years
- Ages
- Time in history
- Centuries and centuries
- Immeasurable period
- Loooong wait
Last Seen In
- Mirror Daily - December 15, 2025
- Penny Dell Daily - June 17, 2025
- Mirror Daily - June 16, 2025
- Penny Dell Daily - March 01, 2025
- Mirror Daily - January 28, 2025
- Mirror Daily - July 31, 2024
- Mirror Daily - December 21, 2023
- Mirror Daily - September 28, 2023
- Mirror Daily - May 29, 2023
- Mirror Daily - March 02, 2023
- Mirror Daily - August 29, 2022
- Mirror Daily - January 28, 2018
- Penny Dell Daily - January 06, 2018
- Mirror Daily - September 19, 2017
- Mirror Daily - June 16, 2017
- Mirror Daily - January 28, 2017
- Mirror Daily - September 19, 2016
- Mirror Daily - June 16, 2016
- Universal - February 28, 2016
- Mirror Daily - January 28, 2016
- Wall Street Journal - August 31, 2012
- Wall Street Journal - March 11, 2011
- I Swear Crossword - October 08, 2010
- Wall Street Journal - September 17, 2010
- Pat Sajack's Code Letter - July 20, 2010
- USA Today - October 08, 2007
- Washington Post - October 19, 2000
- Washington Post - September 22, 2000