centenarian
1.a person who has reached the age of 100.
1.pertaining to or having lived 100 years.
sinker
1.Slang. a doughnut or, sometimes, a biscuit or muffin.
2.a person or thing that sinks.
3.a person employed in sinking, as one who sinks shafts.
athleisure
a style of clothing worn as athletic apparel but also suitable for casual, everyday wear: Athleisure looks great whether you're working out or just running errands.