Looking on the internet deeply has found these results:

pre-retirees is the most popular phrase on the web.

unretired 1114,000 results on the web	pre-retirees 1155,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
But since you want to be unretired, I guess that guy is you.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

unretired

1114,000 results on the web

pre-retirees

1155,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.