open [ˈoʊpən]

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¹ open adjective

• not closed: such as
• not covering an opening
• having an opening that is not covered

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² open verb

• to move (a door, window, etc.) so that an opening is no longer covered
• to move and no longer cover an opening
• to cause (something) to no longer be covered, sealed, or blocked

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³ open noun

• a competition (such as a major golf tournament or tennis tournament) that allows both professionals and amateurs to participate—usually used in names
• an area or place without walls, barriers, etc. : an area or place that is not covered or enclosed—used in the phrase (out) in/into the open
• a situation in which something (such as a feeling) is no longer hidden or kept secret—used in the phrase (out) in/into the open