0 to make a company or an organization smaller by reducing the number of people working for it, or to become smaller in this way (used especially by organizations that want to avoid using the word "downsize"):
The mayor and chancellor are committed to rightsizing the DCPS as soon as possible.
They have reduced their cycle of staff reduction programs to a simple and easy-to-remember mantra: "First downsize, then rightsize, finally capsize."
