closed

not open or affording passage or access; "the many closed streets made travel difficult"; "our neighbors peeped from behind closed curtains"

(set theory) of an interval that contains both its endpoints

not open; "the door slammed shut"

used especially of mouth or eyes; "he sat quietly with closed eyes"; "his eyes were shut against the sunlight"

requiring union membership; "a closed shop"

with shutters closed

not open to the general public; "a closed meeting"

not having an open mind; "a closed mind unreceptive to new ideas"

blocked against entry; "a closed porch"