The verb shut has 3 senses (first 3 from tagged texts)
1. (10) close, shut -- (move so that an opening or passage is obstructed; make shut; "Close the door"; "shut the window")
2. (2) close, shut -- (become closed; "The windows closed with a loud bang")
3. (1) exclude, keep out, shut out, shut -- (prevent from entering; shut out; "The trees were shutting out all sunlight"; "This policy excludes people who have a criminal record from entering the country")
Overview of adj shut
The adj shut has 2 senses (first 2 from tagged texts)
1. (7) shut, unopen, closed -- (not open; "the door slammed shut")
2. (2) closed, shut -- (used especially of mouth or eyes; "he sat quietly with closed eyes"; "his eyes were shut against the sunlight")