| open | affording free passage or view |
|---|---|
| open | affording unobstructed entrance and exit |
| open | affording free passage or access |
| open | used of mouth or eyes |
| open | having no protecting cover or enclosure |
| open | (music) used of string or hole or pipe of instruments |
| open | (mathematics) of a set |
| open | open and observable |
| open | open to or in view of all |
| open | with no protection or shield |
| open | accessible to all |
| open | not sealed or having been unsealed |