Definition from macmillandictionary.com
He opens up the shop every morning.
Open up! This is the police!
The building of canals opened up the interior of the country.
China is opening up to foreign investment.
Going freelance opens up all sorts of possibilities to you.
New markets are opening up every day.
The issue of Europe has opened up deep divisions within the party.
United have opened up a 6-point lead over their nearest rivals.
It’s taken a few months, but Katy is finally starting to open up to me.
I think we need to open up the discussion and ask members of the audience for their opinions.
He opened up on the crowd with an automatic rifle.
When they opened her up they found a huge tumour.
Donald wants to retire and open up a bookshop.
New cinemas are starting to open up.
The rose buds are beginning to open up.
She opened her umbrella up at the first drops of rain.