Princeton's WordNet

1. open, open up(verb)

   cause to open or to become open

   "Mary opened the car door"

2. open, open up(verb)

   become available

   "an opportunity opened up"

3. open, open up(verb)

   make available

   "This opens up new possibilities"

4. pioneer, open up(verb)

   open up an area or prepare a way

   "She pioneered a graduate program for women students"

5. open, open up(verb)

   start to operate or function or cause to start operating or functioning

   "open a business"

6. open, open up(verb)

   become open

   "The door opened"

7. open up(verb)

   talk freely and without inhibition

Kernerman English Learner's Dictionary

1. open upˈoʊpən

   to open a door, window, etc.

   We opened up all the windows.

2. open upˈoʊpən

   to start a new business

   We've opened up three new stores across the state.

3. open upˈoʊpən

   to make sth possible

   A higher degree can open up many more career opportunities.

4. open upˈoʊpən

   to start to be willing to talk about sth private

   He wouldn't talk at first, but he gradually opened up.

Wiktionary

1. open up(Verb)

   To open.

2. open up(Verb)

   To reveal oneself; to become communicative.

3. open up(Verb)

   To commence firing weapons.

• open, oopmaakAfrikaans
• يَفْتَحArabic
• откривамBulgarian
• abrirPortuguese (BR)
• otevřítCzech
• öffnenGerman
• åbneDanish
• ανοίγω (π.χ. για κατάστημα)Greek
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• avamaEstonian
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• ध्यान में लानाHindi
• otvoritiCroatian
• megnyitHungarian
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• aprireItalian
• 開けるJapanese
• 개업하다Korean
• atidarytiLithuanian
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• lukke opp,åpneNorwegian
• otworzyćPolish
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• پرانيستل، خلاص كولPashto
• abrirPortuguese
• a (se) deschideRomanian
• открыватьRussian
• otvoriťSlovak
• odpretiSlovenian
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• öppnaSwedish
• เปิดร้านThai
• açmakTurkish
• 開業Chinese (Trad.)
• відчинятиUkrainian
• کھولناUrdu
• mở cửa (hàng)Vietnamese
• 开业Chinese (Simp.)