open up

opened up; opening up; opens up

Definition of open 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 But the minute the club opened up again, there was so much activity. Dallas News, "Firm leads Westlake home market, per MLS," 19 Jan. 2020 The former national security adviser to President Barack Obama and U.S. ambassador to the United Nations has written a revealing account that opens up about the personal and professional aspects of her life. Julie Hinds, Detroit Free Press, "Former national security adviser Susan Rice coming to Detroit, Ann Arbor," 17 Jan. 2020 China already has been taking steps to open up to foreign banks in an effort to expand and reform its own markets. Timothy Puko, WSJ, "U.S. Banks, Card Companies Catch a Break in China Trade Deal," 16 Jan. 2020 The store was labyrinth, with narrow staircases in the backs of small rooms, and chambers and antechambers that opened up into expansive arenas of clothing. Connie Wang,, "RIP To Opening Ceremony, A Store That Taught Us How To Find Ourselves," 15 Jan. 2020 Other video showed the bus tipped more than halfway into the chasm that had opened up at a bus stop just outside a health clinic. USA TODAY, "Bus plunges into sinkhole on road in China, killing at least 6 and leaving 4 missing," 15 Jan. 2020 Other video showed the bus tipped more than halfway into the chasm that had opened up at a bus stop just outside a health clinic. Washington Post, "Bus falls into sinkhole on road in China; 10 dead or missing," 14 Jan. 2020 The firm’s consumer-banking unit posted a 3% increase in revenue as investments to open up branches in new states started to yield returns. Michelle F. Davis, Fortune, "JPMorgan Trading Surge Helps Fuel Most Profitable Year Ever," 14 Jan. 2020 Akufo-Addo is milking his government’s Year of Return campaign which has won global plaudits in the way it’s opened up the country to the African-American and Caribbean diaspora. Rudolf Ogoo Okonkwo, Quartz Africa, "These are the key African elections to watch in 2020," 13 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'open up.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of open up

1582, in the meaning defined at transitive sense 1

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Time Traveler for open up

Time Traveler

The first known use of open up was in 1582

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Last Updated

23 Jan 2020

Cite this Entry

“Open up.” The Dictionary, Merriam-Webster Inc., Accessed 25 January 2020.

More from Merriam-Webster on open up

Rhyming Dictionary: Words that rhyme with open up

Britannica English: Translation of open up for Arabic Speakers

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dull or mediocre

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