open up

verb

opened up; opening up; opens up
Synonyms of open upnext

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.
With patience and selectivity, a tight budget can still open up the universe. Damian Peach, Space.com, 4 Aug. 2026 The Starship Troopers actress opened up about their decades-long friendship on the Dumb Blonde podcast and admitted to host Bunnie Xo that their relationship ran deeper than family. Kimberlee Speakman, PEOPLE, 4 Aug. 2026 During a recent appearance at Flash Weekend Chicago Horror Convention (via People), Mulroney opened up about his exit. Jack Dunn, Variety, 4 Aug. 2026 Samantha Morton is opening up about not working after filming Christopher Nolan’s The Odyssey. Armando Tinoco, Deadline, 4 Aug. 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.merriam-webster.com/dictionary/open%20up. Accessed 6 Aug. 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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