open up

Verb

• talk freely and without inhibition

• become open
  • The door opened
    

• start to operate or function or cause to start operating or functioning
  • open a business
    

• open up an area or prepare a way
  • She pioneered a graduate program for women students
    

• make available
  • This opens up new possibilities
    

• become available
  • an opportunity opened up
    

• cause to open or to become open
  • Mary opened the car door
    

Related words

• Synonyms: 
  open , pioneer
• Antonyms: 
  close up , clam up , dummy up , shut up , belt up , button up , be quiet , keep mum , close , shut , fold , shut down , close down