Synonym: closed in, closed(a), shut, unopen, unsympathetic. Similar words: enclosed, close down, disclosed, closed loop, closed shop, closed-minded, closed primary, closed fracture. Meaning: [kləʊs] 
adj. 1. not open or affording passage or access 2. (set theory) of an interval that contains both its endpoints 3. not open 4. used especially of mouth or eyes 5. requiring union membership 6. with shutters closed 7. not open to the general public 8. not having an open mind 9. blocked against entry.
adj. 1. not open or affording passage or access 2. (set theory) of an interval that contains both its endpoints 3. not open 4. used especially of mouth or eyes 5. requiring union membership 6. with shutters closed 7. not open to the general public 8. not having an open mind 9. blocked against entry. 
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181) A complete circuit is one which is a closed loop.
182) He closed the computer game and opened his maths homework.
More similar words: enclosed, close down, disclosed, closed loop, closed shop, closed-minded, closed primary, closed fracture, close, closer, closet, close in, close to, enclose, close off, close up, closest, closely, encloser, close-set, disclose, be close to, a close call, close-knit, closeness, close shave, close at hand, supply closet, a close shave, close quarters.