open up Meaning in the Cambridge English Dictionary
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Meaning of “open up” in the English Dictionary

"open up" in British English

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open up

phrasal verb with open uk   /ˈəʊ.pən/  us   /ˈoʊ-/ verb
C2 to ​start to ​talk more about yourself and ​yourfeelings: I've never ​opened up to anyone like I do to you.
(Definition of open up from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"open up" in American English

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open up

phrasal verb with open  us   /ˈoʊ·pən/ verb [I/T]

open up (LET IN)

(used as an ​exclamation) ​let me in; open the ​door: "Open up!" ​Samshouted, ​banging on the ​door.

open up

phrasal verb with open  us   /ˈoʊ·pən/ verb [I/T]

open up (SPEAK)

to ​talk about ​yourpersonalthoughts or ​feelings: I ​felt I couldn’t open up to anybody.
(Definition of open up from the Cambridge Academic Content Dictionary © Cambridge University Press)

"open up" in Business English

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open up

phrasal verb with open uk   us   /ˈəʊpən/ verb
[I or T] COMMERCE if a new ​business, ​office, ​shop, etc. ​opens up, or someone ​opens it up, it ​starts doing ​business: Several ​branches of the ​bank have recently ​opened up across China. Many ​people have ​opened up ​shops on the ​onlineauctionsite to ​sell their things.
[I or T] COMMERCE to ​startbusiness at a particular ​time and be ​available to ​deal with ​customers: We ​open up at 7am ​daily.
[T] ECONOMICS to make ​conditions easier for ​foreigncompanies to do ​business in a country: These ​measures are ​designed to open up the ​market to greater ​competition. The country has enjoyed ​steadygrowth since it began ​opening up its ​economy.
[T] to ​create new ​opportunities: open up opportunities/possibilities The ​internet has ​opened up new ​opportunities for ​cost-effectivebrandbuilding.
[I] HR if a ​jobopens up, it becomes ​available: Another ​vacancy has ​opened up on the Board.
(Definition of open up from the Cambridge Business English Dictionary © Cambridge University Press)
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