Clue: Billion years
Billion years is a crossword puzzle clue that we have spotted 16 times. There are related clues (shown below).
Referring crossword puzzle answers
Likely related crossword puzzle clues
Recent usage in crossword puzzles:
- WSJ Daily - Jan. 31, 2023
- Penny Dell - Jan. 6, 2018
- Penny Dell - Oct. 9, 2016
- Boatload - Sept. 19, 2016
- Boatload - June 16, 2016
- Universal Crossword - Feb. 28, 2016
- Boatload - Jan. 28, 2016
- Wall Street Journal Friday - Aug. 31, 2012
- Wall Street Journal Friday - March 11, 2011
- I Swear Crossword - Oct. 8, 2010
- Wall Street Journal Friday - Sept. 17, 2010
- Pat Sajak Code Letter - July 20, 2010
- USA Today - Oct. 8, 2007
- Universal Crossword - March 8, 2001
- New York Times - April 19, 1993
- New York Times - June 19, 1988