Period of many years

The answer

EON

3 letters. See every clue for this answer on the EON answer page.

Used 8 times across 4 distinct years; most recently in 2012; first recorded in 2000. It appears in 3 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.

Other clues for EON

Every other clue in this collection answered by EON, most used first.

• Long, long time - used 302 times, most recently in 2026
• Long time - used 270 times, most recently in 2026
• Very long time - used 212 times, most recently in 2026
• A billion years - used 178 times, most recently in 2026
• Ages and ages - used 127 times, most recently in 2026
• Many millennia - used 87 times, most recently in 2026
• Seemingly forever - used 59 times, most recently in 2026
• Forever and a day - used 53 times, most recently in 2026
• Long stretch - used 50 times, most recently in 2026
• Extremely long time - used 49 times, most recently in 2026
• Really long time - used 42 times, most recently in 2026
• Eternity - used 41 times, most recently in 2025
• One billion years - used 39 times, most recently in 2026
• Many, many years - used 38 times, most recently in 2026
• Age - used 35 times, most recently in 2021
• Long period of time - used 34 times, most recently in 2026
• Many, many moons - used 33 times, most recently in 2026
• Near-eternity - used 32 times, most recently in 2025
• Seeming eternity - used 31 times, most recently in 2026
• Billion-year period - used 30 times, most recently in 2026
• Big time - used 29 times, most recently in 2026
• Long period - used 28 times, most recently in 2025
• Years and years - used 28 times, most recently in 2024
• Years on end - used 28 times, most recently in 2026
• 1,000,000,000 years - used 26 times, most recently in 2026
• Long time period - used 24 times, most recently in 2026
• Ages - used 20 times, most recently in 2026
• Geologic period - used 20 times, most recently in 2025
• A thousand ages. - used 19 times, most recently in 1978
• Long stretch of time - used 19 times, most recently in 2026
• Very long time period - used 19 times, most recently in 2025
• A long time - used 18 times, most recently in 2018
• Geologic time unit - used 18 times, most recently in 2026
• Geological period - used 18 times, most recently in 2024
• Geological span - used 18 times, most recently in 2026
• Many moons - used 18 times, most recently in 2024
• Quite a stretch - used 18 times, most recently in 2026
• Long, long, long time - used 17 times, most recently in 2026
• Quite a while - used 17 times, most recently in 2021
• A long, long time - used 16 times, most recently in 2025
• Long time, geologically - used 16 times, most recently in 2023
• Very long stretch of time - used 16 times, most recently in 2025
• A gazillion years - used 15 times, most recently in 2026
• Geological time period - used 15 times, most recently in 2026
• Untold centuries - used 15 times, most recently in 2017
• Very long period - used 15 times, most recently in 2026
• Incredibly long time - used 14 times, most recently in 2025
• Time period - used 14 times, most recently in 2009
• Two or more eras - used 14 times, most recently in 2019
• Big stretch - used 13 times, most recently in 2026
• Countless years - used 13 times, most recently in 2021
• Mighty long time - used 13 times, most recently in 2023
• Billion years - used 12 times, most recently in 2024
• Many ages - used 12 times, most recently in 2025
• Many eras - used 12 times, most recently in 2026
• One billion years, in geology - used 12 times, most recently in 2022
• Geological stretch - used 11 times, most recently in 2025
• Time on end - used 11 times, most recently in 2021
• A million millennia - used 10 times, most recently in 2021
• Awfully long time - used 10 times, most recently in 2019
• Billion-year stretch - used 10 times, most recently in 2018
• Geologic age - used 10 times, most recently in 2026
• Geological time division - used 10 times, most recently in 2025
• Super long time - used 10 times, most recently in 2025
• Tons of time - used 10 times, most recently in 2026
• Ages upon ages - used 9 times, most recently in 2026
• Almost forever - used 9 times, most recently in 2014
• Geologic time period - used 9 times, most recently in 2025
• Immeasurably long time - used 9 times, most recently in 2026
• Lo-o-ong time - used 9 times, most recently in 2026
• Uncountable years - used 9 times, most recently in 2010
• Unimaginably long time - used 9 times, most recently in 2025
• Very long stretch - used 9 times, most recently in 2025
• Very, very long time - used 9 times, most recently in 2024
• Extremely long time period - used 8 times, most recently in 2024
• Forever - used 8 times, most recently in 2025
• Indefinitely long time - used 8 times, most recently in 2020
• Interminable time - used 8 times, most recently in 2020
• Looooong time - used 8 times, most recently in 2025
• Millions of years - used 8 times, most recently in 2025
• Unit of time - used 8 times, most recently in 2006
• Vast span - used 8 times, most recently in 2026
• Billion-year span - used 7 times, most recently in 2024
• Geologic span - used 7 times, most recently in 2026
• Geologic time - used 7 times, most recently in 2021
• Geological time - used 7 times, most recently in 2014
• Longest division of geological time - used 7 times, most recently in 2019
• One billion years, in astronomy - used 7 times, most recently in 2012
• Quite some time - used 7 times, most recently in 2018
• Really, really long time - used 7 times, most recently in 2025
• Vast time period - used 7 times, most recently in 2025
• A month of Sundays - used 6 times, most recently in 2011
• Centuries and centuries - used 6 times, most recently in 2012
• Forever, seemingly - used 6 times, most recently in 2019
• Geologic time span - used 6 times, most recently in 2024
• Geologist's stretch of time - used 6 times, most recently in 2025
• Interminable wait - used 6 times, most recently in 2025
• Millennia upon millennia - used 6 times, most recently in 2024
• One billion years, geologically - used 6 times, most recently in 2015
• Several eras - used 6 times, most recently in 2018
• Years and years and years - used 6 times, most recently in 2023

Related clues

Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.

• Historical period - ERA, used 383 times
• Historic period - ERA, used 277 times
• Period - ERA, used 270 times
• Not many - FEW, used 155 times
• Notable period - ERA, used 145 times
• Many a time - OFT, used 135 times

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