Long, long times (4)

I think it could be either:

Which length description are you looking for?:

eons

'long long times' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for eons that I've seen before include "Divisions of geological time" , "Divisions of archaeological time" , "Years and years" , "Very long periods (US)" , "Long periods of time - noes have it" .)

I've seen this clue in the USA Today and The Wall Street Journal.

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