The meaning of OPEN is having no enclosing or confining barrier : accessible on all or nearly all sides. How to use open in a sentence. Synonym Discussion of Open.

OPEN definition: not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate. See examples of open used in a sentence.

Affording unobstructed entrance and exit; not shut or closed. b. Affording unobstructed passage or view: open waters; the open countryside. 2. a. Having no protecting or concealing cover: an open wound; …

OPEN definition: 1. not closed or fastened: 2. ready to be used or ready to provide a service: 3. not closed in or…. Learn more.

to make or become open: [no object] The flower opened up in the sun. [~ + up + object] They opened up their shops. [~ + object + up] It was too early to open the shops up.

Jul 27, 2024 · Explore the definition of the word "open," as well as its versatile usage, synonyms, examples, etymology, and more.

If you open something such as a bottle, box, parcel, or envelope, you move, remove, or cut part of it so you can take out what is inside. I opened the letter.

2 days ago · open (third-person singular simple present opens, present participle opening, simple past and past participle opened) To make or become physically unobstructed, uncovered, etc.

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Explore the official 2025 US Open event schedule and view session and gate opening times. Buy your tickets to experience the year's final Grand Slam.