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Verb: open up
  1. Cause to open or to become open
    - open
     
  2. Become available
    "an opportunity opened up"
    - open
     
  3. Make available
    "This opens up new possibilities"
    - open
     
  4. Open up an area or prepare a way
    - pioneer
     
  5. Start to operate or function or cause to start operating or functioning
    - open
     
  6. Become open
    - open
     
  7. Talk freely and without inhibition

Derived forms: opening up, opened up, opens up

See also: open

Type of: afford, arise, change state, come up, give, innovate, introduce, mouth, speak, talk, turn, utter, verbalise [Brit], verbalize, yield

Antonym: close up

Nearest

open order
open primary
open sandwich
open season
open secret
open sesame
open shop
open sight
open society
Open University
open up
open weave
open-air
open-air market
open-air marketplace
open-and-shut
open-angle glaucoma
openbill
opencast
opencast mining
open-chain