| not open or affording passage or access | closed or secured with or as if with a seal |
| (set theory) of an interval that contains both its endpoints | established irrevocably |
| used especially of mouth or eyes | undisclosed for the time being |
| not open | determined irrevocably |
| blocked against entry | apply a non-porous coating to something so as to ensure it is impervious |
| not open to the general public | covered with a waterproof coating |
| with shutters closed | (of walls) covered with a coat of plaster |
| requiring union membership | |
| not having an open mind | |