1.Definition: a clear or unobstructed space or expanse of land or water

"Finally broke out of the forest into the open"

Related Noun(s):clear

Category: Places

2.Definition: a tournament in which both professionals and amateurs may play

Category: General

3.Definition: information that has become public

"All the reports were out in the open", "The facts had been brought to the surface"

Related Noun(s):surface

Category: General

4.Definition: where the air is unconfined

"He wanted to get outdoors a little", "The concert was held in the open air", "Camping in the open"

Related Noun(s):open air, outdoors

Category: Places