Answer: EONS
EONS is a crossword puzzle answer that we have spotted 259 times.
Referring Clues:
- A lot of time
 - Many millennia
 - Billions of years
 - Years and years
 - Geologic periods
 - Almost forever
 - A dog's age
 - Seemingly forever
 - Incalculable amount of time
 - Ages and ages
 - Time and time again
 - Astronomical figures
 - Years on end
 - Many ages
 - Astronomical periods
 - Stretch of history
 - A lo-o-ong time
 - Donkey's years
 - A long time to wait
 - Billions of years, geologically
 - Spans of history
 - Millions of years
 - An eternity, seemingly
 - Time on end
 - Seeming eternity
 - Long stretches
 - Long periods
 - Forever and a day
 - Time immemorial
 - An extremely long time
 - Awfully long time
 - A long, long time
 - Great times
 - Lengthy time units
 - Eternities
 - Major stretches
 - Stretches of history
 - Long times
 - Years and years and years
 - How long it takes canyons to form
 - Some collars and jackets
 - A seeming eternity
 - Millennia
 - Forever, so to speak
 - Units of geologic time
 - Geological periods
 - Forever, it seems
 - Long periods of time
 - Millennia upon millennia
 - Mind-boggling time spans
 - Forever, seemingly
 - Interminable length of time
 - Long periods, geologically
 - Almost eternity
 - Almost eternities
 - Many, many moons
 - Multiple millennia
 - Geological time periods
 - Billions and billions of years
 - At least two billion years
 - Centuries of centuries
 - Units on the geologic time scale
 - Long, long times
 - Really long times
 - Evolutionary time periods
 - Geologic timespans
 - Almost an eternity
 - Geologic spans
 - Long, long time
 - Tons of time
 - Hundreds of centuries
 - Geologic divisions
 - Geologic time divisions
 - They last a long time
 - Astronomical time periods
 - Mammoth time units
 - Big times
 - Ages
 - Loooong time
 - Zillions of years
 - Many many centuries
 - Forever and ever
 - A looooong time
 - Major time periods
 - Very long time
 - Extra-long durations
 - Very long times
 - Immeasurable periods
 - Very long stretches
 - Lengthy units of time
 - Stellar periods
 - Extremely long time
 - Unfathomable stretches
 - One billion years, geologically
 - Billion-year increments, in geology
 - Many, many millennia
 - Practically forever
 - Countless centuries
 - A billion years, geologically
 - Units of time
 - Incalculable amounts of time
 - Untold centuries
 - Indefinitely long periods of time
 - Geologists' times
 - Countless ages
 - Extremely long time frames
 - Ages and ages and ages
 - Extremely long stretches
 - Immeasurably long periods of time
 - They seem to last forever
 - Time divisions
 - An eternity
 - Billion-year increments
 - Forever, figuratively
 - Years upon years
 - Really long time
 - Ages upon ages
 - Extremely long time periods
 - Quite a while
 - A very long time
 - Geologic stretches
 - Geologic time spans
 - Gobs of time
 - Billion-year periods
 - For-EV-er
 - Geologic time periods
 - Unimaginably long stretches
 - Many, many years
 - Geologic procession
 - Time beyond measure
 - Cosmic cycles
 - Ages on end
 - A long time
 - Long time
 - Many lifetimes
 - Forever
 - Earth's age, perhaps
 - Eternities, seemingly
 - Long, long time spans
 - Thousands of centuries
 - Gazillions of years
 - Very long spans
 - Geologists' periods
 - Vast ages
 - A really long time
 - Long geologic stretches
 - Vast stretches of time
 - Eternity
 - Many years
 - Quite a long time
 - Lotsa time
 - Oodles of time
 - Kajillions of years
 - Nigh-infinite periods
 - Near-infinite timespans
 - Time to evolve?
 - Just about forever
 - Nearly forever
 - Quite some time
 - How long it takes mountains to form
 - Geologic times
 - Many centuries
 - Immense time spans
 - A long, long, long time
 - Huge amount of 50-Across
 - Vast periods
 - Long, long stretches
 - Not just centuries
 - Basically forever
 - Tremendous spans
 - Millennia on end
 - Countless years
 - Ages upon ages of time
 - Centuries
 - Geology class periods [subscribe to the best indie xwords today at avxwords.com]
 - A lot of the time?
 - Eras upon eras
 - Infinity
 - Mountains have developed over them
 - I-don't-know-how-long
 - Forever, basically
 - Inconceivably long times
 - Thousands of years
 - See 37-Down
 - Long spans
 - A metaphorical eternity
 - "Like, forever"
 - Incredibly long time
 - Essentially forever
 - Thousands and thousands of years
 - Mountains form over them
 - Geological timespans
 - Time since the Big Bang
 - Billion-year stretches
 - Geological units
 - Mountains have grown over them
 - Life span of a star
 - Huge spans
 - What mountains rise over
 - Cosmic periods
 - Stars exist over them
 - Spirits
 - Very long periods
 - Immense spans
 - Almost-endless ages
 - Geological eras
 - Peaks form over them
 - Immeasurable time
 - Spans of many centuries
 - Not quite eternity
 - Innumerable years
 - Mind-boggling spans
 - Earth science measures
 - Volcanoes develop over them
 - Astronomer's measures
 - Massive time periods
 - They go to great lengths
 - Cosmic times
 - Quite a stretch
 - Periods of two or more of 40-Across
 - Immensely long stretches
 - Gorges are carved over them
 - Many, many, many, many, many moons
 - Practically an eternity
 - Considerable stretches
 - Interminable times
 - Unimaginably long time
 - Extensive periods
 - **Ages and ages (2 and 3)
 - Earth's longest time divisions, geologically
 - Extremely long times
 - Very long stretches of time
 - Geologic time frames
 - Very long time spans
 - Many moons
 - Extreme stretches
 - Long runs?
 - Like, forever!
 - Vast time periods
 - Many, many, many moons
 - Forever and a day, say
 - Periods longer than eras
 - Long stretches of time
 - Time pieces
 - Long time spans
 - Geological spans
 - Galactic time spans
 - Loooong periods of time
 - Seemingly interminable periods
 - Big stretches
 - So, so, so long
 - Super-long stretches of time
 - Extra-long times
 - Metaphor for a tedious tract of time
 - So very long
 - So, so long
 - Seeming eternities
 - Impossibly long stretches
 - Long time periods
 
Last Seen In:
- USA Today - October 27, 2025
 - LA Times - October 05, 2025
 - New York Times - September 29, 2025
 - USA Today - September 25, 2025
 - USA Today - September 18, 2025
 - USA Today - August 20, 2025
 - LA Times - July 25, 2025
 - New York Times - July 23, 2025
 - New York Times - June 28, 2025
 - USA Today - June 25, 2025
 - New York Times - June 23, 2025
 - New York Times - May 21, 2025
 - USA Today - May 16, 2025
 - New York Times - April 18, 2025
 - LA Times - April 13, 2025
 - USA Today - April 10, 2025
 - LA Times - April 03, 2025
 - LA Times - March 19, 2025
 - USA Today - March 07, 2025
 - USA Today - February 11, 2025
 
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