1. not closed or blocked; allowing access or passage
2. not covered or enclosed
3. honest and direct in communication

1. to move something so it is no longer closed
2. to begin or start something

1. an outdoor or unenclosed space

Examples

• Please open the window to let in fresh air.
• The store is open until 9 PM tonight.
• She was very open about her feelings.
• The meeting is open to all students.
• They decided to open a new restaurant downtown.
• The children love playing in the open.
• He left his book open on the desk.
• The position is still open for applications.