Open English Wordnet
Adjectives
(a)closednot open or affording passage or access“the many closed streets made travel difficult”,
“our neighbors peeped from behind closed curtains” (a)closed(set theory) of an interval that contains both its endpoints (a)closed, shutused especially of mouth or eyes“he sat quietly with closed eyes”,
“his eyes were shut against the sunlight” (s)closedrequiring union membership“a closed shop” (s)closednot open to the general public“a closed meeting”