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 Two police officers who helped rescue the royal horses that got loose in London are opening up about the incident. Becca Longmire, Peoplemag, 29 Apr. 2024 Straight men are now more comfortable wearing femme clothes, sharing a tearful hug with male counterparts, opening up about their mental health, and expressing their commitment to being stay-at-home dads. Myisha Battle, TIME, 29 Apr. 2024 See all Example Sentences for open up 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'open up.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near open up

Cite this Entry

“Open up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/open%20up. Accessed 4 May. 2024.

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)

More from Merriam-Webster on open up

Last Updated: - Updated example sentences
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