not closed or secured | ready or willing to receive favorably |
not buttoned | affording unobstructed entrance and exit; not shut or closed |
not tied | affording free passage or access |
affording unobstructed entrance and exit; not shut or closed | (set theory) of an interval that contains neither of its endpoints |
| open and observable; not secret or hidden |
| used of mouth or eyes |
| ready for business |
| not having been filled |
| (of textures) full of small openings or gaps |
| openly straightforward and direct without reserve or secretiveness |
| not requiring union membership |
| open to or in view of all |
| possibly accepting or permitting |
| without undue constriction as from e.g. tenseness or inhibition |
| having no protecting cover or enclosure |
| affording free passage or view |
| with no protection or shield |
| accessible to all |
| not sealed or having been unsealed |
| not brought to a conclusion; subject to further thought |
| not defended or capable of being defended |