years

year

noun

{bc}the period of about 365{sup}1{/sup}/{inf}4{/inf} solar days required for one revolution of the earth around the sun

years young

idiom

Array

donkey's years

plural noun

{bc}a very long time

golden years

plural noun

{bc}the advanced years in a lifetime

getting on in years

idiom

{bc}getting old

light-years ahead

idiom

{bc}much more advanced than others

light-years away

idiom

{bc}very far away in time

never/not in a thousand/million/billion years

idiom

Array

of mature years

idiom

{bc}not young

over the years

idiom

{bc}during several/some/many years