1
general::
Phrase(s): shut the door (up)on someone or something [and] close the door on someone or something; close the door to someone or something
1. Lit. to close a door, preventing someone or something from passing through. (Upon is formal and less commonly used than on.) • They shut the door upon me, and I couldn’t get in! • We quickly closed the door on the smoke. 2. Fig. to eliminate an opportunity for someone or something. • The board of directors shut the door on me, and there was no further opportunity for me to pursue. • They closed the door on further discussions.
McGrawhill's American Idioms And Phrasal Verbs