youngest
Most recently begun or formed.
Example
“I may be the youngest in my family but I still resent being referred to as the baby.”
Other meanings
Receiving dealt cards last, i.e. immediately before the next deal to the eldest.
Where this comes from
This definition is adapted from “youngest” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.