Pronunciation: /ˈoʊ.pən/
verb to move or adjust something so that it is no longer closed or sealed
A1 I open the door every morning to let the sunlight in.
A2 She opens the window to get some fresh air in the room.
B1 The store opens at 9 am and closes at 6 pm.
B2 He opened the meeting with a brief introduction of the agenda.
C1 The new restaurant opened to great reviews from food critics.
C2 After years of secrecy, the government finally opened the classified files to the public.
adjective having no covering or being accessible or exposed
A1 The door is open.
A2 Please leave the window open for fresh air.
B1 The store has open hours from 9am to 5pm.
B2 The book club is open to new members.
C1 The company has an open-door policy for employees to voice their concerns.
C2 The artist's studio is open for public tours on weekends.
formal The store will open at 9 AM sharp.
informal Let's open the presents now!
slang I'm going to open up a can of whoop-ass on him.
figurative She finally decided to open up about her feelings.
opened
opens
more open
most open
open
will open
has opened
is opening
opens
open
to open
opening
opened