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open up

A2 neutral separable both
In simple words

To open something — or to start talking honestly about what you feel.

Meanings

1 A2 neutral

To open a door, container, or building, especially to allow access.

"Can you open up the back door? I'm carrying too many bags."

Grammar: separable
2 A2 neutral

To start a business for the day or to establish a new business or market.

"The café opens up at seven every morning."

Grammar: separable
3 B1 idiomatic neutral

To share one's thoughts, feelings, or personal experiences more honestly and freely.

"It was the first time he had opened up about his depression."

""I didn't open up to many people about how I was really feeling.""

— Prince Harry, various interviews (widely reported, e.g. BBC, 2017)
4 B1 idiomatic neutral

To create or make available new opportunities, possibilities, or areas for development.

"The new trade agreement opens up exciting possibilities for small businesses."

Grammar: separable
Usage notes

One of the most versatile phrasal verbs in English. Covers physical opening, business opening, emotional disclosure, and creating new possibilities. The emotional sense is very common in therapy and self-help language.

Commonly used with

shop door wound opportunity feelings conversation market

Forms

Base
open up
I/you/we/they
3rd person
opens up
he/she/it
Past simple
opened up
yesterday
Past participle
opened up
have + pp
-ing form
opening up
continuous

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