1. old age, years, age, eld, geezerhood, time of life
usage: a late time of life; "old age is not for sissies"; "he's showing his years"; "age hasn't slowed him down at all"; "a beard white with eld"; "on the brink of geezerhood"
2. long time, age, years, time period, period of time, period
usage: a prolonged period of time; "we've known each other for ages"; "I haven't been there for years and years"
3. days, years, life
usage: the time during which someone's life continues; "the monarch's last days"; "in his final years"
Noun
1. old age, years, age, eld, geezerhood, time of life
usage: a period of time containing 365 (or 366) days; "she is 4 years old"; "in the year 1920"
2. long time, age, years, time period, period of time, period
usage: a period of time occupying a regular part of a calendar year that is used for some particular activity; "a school year"
3. days, years, life
usage: the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun; "a Martian year takes 687 of our days"
4. year, twelvemonth, yr, time period, period of time, period
usage: a body of students who graduate together; "the class of '97"; "she was in my year at Hoehandle High"