1
general::
Phrase(s): shut someone or something out
to exclude someone or something; to refuse entrance to someone or something. • We tried to get into the stadium, but they shut us out because there was no more room. • My parents shut out their children when they made important decisions.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
1. Exclude, deny entry to, block, as in Anyone convicted of a crime is shut out from the legal profession, or These curtains shut out all the light. [Late 1300s] 2. Prevent an opponent from scoring, as in They were shut out of the last two games, or Reagan shut out Ford in the Texas primary in 1976. Originating in baseball about 1880, this usage was later transferred to other sports and then even broader usage.
American Heritage Idioms