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.
Throughout the film, Shyne bravely opens up about everything from his rough Brooklyn upbringing and years behind bars to his road to redemption. Kyle Eustice, SPIN, 27 Apr. 2026 The escalators that now block shoppers’ views at the entrance will be placed on the sides of the mall, opening up clear sight lines across the entire property, Stone said. Brian J. Rogal, Chicago Tribune, 27 Apr. 2026 Mike Tomlin has officially joined NBC as an analyst and has opened up and discussed some factors that led to his resignation as head coach of the Pittsburgh Steelers. Mike Darnay, CBS News, 27 Apr. 2026 At the heart of the special is Anjelah’s journey into motherhood in her 40s, as the comedian opens up about personal struggles with fertility, pregnancy, and postpartum life, while touching on the universal themes of relationships, generational shifts, and fighting people on airplanes. Matt Grobar, Deadline, 27 Apr. 2026 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.grautoblog.com/dictionary/open%20up. Accessed 28 Apr. 2026.

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)
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