* plural form of _year_.
* 1981, May 5 1718-PDT, Jim McGrath, _Earliest Usenet use via Google Groups: fa.sf-lovers_, said with a smile at an awards ceremony in the Pennsylvania state Capitol
It will be a shorter book and it will not start four million YEARS ago.
* (colloquial, hyperbolic) An unusually long time.
_It took YEARS for the bus to come._
* (unusually long time): ages, yonks, for ever, donkey’s years, donkey’s