open up

verb

opened up; opening up; opens up

transitive verb

1
: to make available or possible
The discovery opens up the possibility of new cures.
2
: to make plain or visible : disclose
3
: to open by cutting into

intransitive verb

1
: to become available or possible
The hostess will let us know when a table opens up.
2
: to spread out or come into view
The road opens up ahead.
3
: to commence firing
4
: to become communicative
tried to get the patient to open up

Examples of open up in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Encouraging the pair to open up about Bouvia was not easy, but Davenport's authenticity and transparency helped win them over. Madeleine Janz, People.com, 19 July 2025 Steiner opened up amid reports of Verstappen's potential exit to join Mercedes in 2026. Saajan Jogia, MSNBC Newsweek, 19 July 2025 The chief said whoever got the job would need to be able to get police officers to open up and talk about their work. Sally Krutzig, Idaho Statesman, 18 July 2025 Gunn recently opened up about his casting process for Superman. Mckinley Franklin, HollywoodReporter, 18 July 2025 See All Example Sentences for open up

Word History

First Known Use

1582, in the meaning defined at transitive sense 1

Time Traveler
The first known use of open up was in 1582

Browse Nearby Words

Cite this Entry

“Open up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/open%20up. Accessed 22 Jul. 2025.

Kids Definition

open up

verb
1
: to make available
2
: to make visible or come into view
the road opens up ahead
3
: to begin firing (as with a weapon or with questions)
Last Updated: - Updated example sentences
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