The clue "One billion years" last appeared in the The Sun crossword on August 27, 2025. The correct answer for this puzzle is "AEON", a 4-letter word.
Solution AEON is our most searched for solution by our visitors. Solution AEON is 4 letters long. We have 0 further solutions of the same word length.
There are 2 solutions. The longest is AEON with 4 letters, and the shortest is EON with 3 letters.
Not at the moment. Currently trending: Express sorrow, Dormant, Lose one's cool, church officer and NYC gallery.
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Solutions are between 3 and 4 letters long.