cast out(redirected from cast one out)
To forcibly expel or dismiss someone or something. A noun or pronoun can be used between "cast" and "out." After I got in yet another fight at school, the headmaster cast me out. Until you cast out these outdated hiring practices, your company will never attract top talent.
Forcibly drive out, expel, as in We have to cast out these old-fashioned ideas and methods. [Late 1200s]
To drive someone or something out by force; expel someone or something: The board of directors cast out the company president after a trading scandal. When I questioned their methods, they cast me out of the group.