Crossword Genius

A long, long time

Ross

There are a few possibilities for this:

Which length description are you looking for?:

4*

7*

(Other definitions for decades that I've seen before include "Ten-year spells" , "10-year periods" , "Periods of 10 years" , "Ten year periods" .)

I've seen this clue in The New York Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.