not shut; allowing air, light, or passage through
Please keep the window open so fresh air can come in.
The book lay open on the desk with notes scattered around it.
to move or remove something that blocks a space so it is no longer closed
He opened the door and greeted his friends.
Could you open this jar for me? It’s stuck.
present participle of open: making something no longer closed, or becoming no longer closed.
She is opening the window to let in fresh air.
Workers are opening the new store at dawn.
accessible or available to everyone; not restricted
The museum exhibition is open to everyone, even on holidays.
Our class discussion is open to any ideas you may have.
to begin operating or be ready for customers or activity
The library opens at eight o’clock every weekday.
A new bakery opened on Main Street last week.
the outdoors where there are no walls or roof; the countryside or fresh air
The hikers camped in open fields under the stars.
She prefers to paint in the open where the light is natural.
a sports tournament that anyone may enter, regardless of ranking or invitation
She qualified for the Australian Open after months of training.
The local tennis club hosts an annual Open in July.
