bachelorize
/ˌbætʃəˈlaɪz/Definitions
1. verb
to make someone a bachelor, especially by ending a marriage or separating from a partner
“The couple decided to bachelorize and live separately.”
2. verb
to behave or act like a bachelor, often in a carefree or irresponsible manner
“After his divorce, he bachelorized and started traveling around the world.”