"Lasting for an immeasurable time span" NYT crossword answer is:EONIAN (6 letters length)
The answer for "Lasting for an immeasurable time span" crossword clue is listed above to help you solve the puzzle you are currently working on.
The answer to the New York Times crossword clue from December 3 2023 is "ETERNAL". This clue is referring to something that lasts for an immeasurable amount of time, or something that is infinite and never-ending. This could refer to anything from a concept such as love or a physical object like the universe. Whatever the answer may be, it is something that will last for an infinite amount of time.