open up

verbs

cause to open or to become open

"Mary opened the car door"

open, open up

become available

"an opportunity opened up"

open, open up

make available

"This opens up new possibilities"

open, open up

open up an area or prepare a way

"She pioneered a graduate program for women students"

open up, pioneer

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

"open a business"

open, open up

become open

"The door opened"

open, open up

talk freely and without inhibition

open up

antonym

is a type of (narrower)

express in speech

"She talks a lot of nonsense"; "This depressed patient does not verbalize"