Meaning & use
open
Last updated
Meanings
adjectivenot comparable
Not shut or covered, allowing air, light, people, or things to pass through.
Grammar: Often follows be or comes before a noun: an open window; say wide open for full extent.
Patterns
- an open door
- leave something open
- wide open
- an open window
Leave the window open so the room can cool down.
The gate was open, but nobody had seen who entered.
She found the box open on the kitchen table.
adjectivenot comparable
Available for people to enter, use, join, or take part in.
Grammar: Commonly follows be: The clinic is open; an open meeting can also come before the noun.
Patterns
- be open to someone
- open for business
- an open position
- an open meeting
The museum is open to visitors every day except Tuesday.
Applications are open until the end of the month.
They held an open meeting so neighbors could ask questions.
adjectiveafter a verb
Willing to consider new ideas, changes, suggestions, or other people.
Grammar: Usually follows be and takes to: open to suggestions, not open about a secret fact.
Patterns
- be open to something
- remain open
- open to suggestions
- open to offers
The design team is open to simpler ideas.
She remained open to moving if the job was right.
I am open to offers, but I will not work weekends.
verbtransitive
To move, remove, or unlock a cover or barrier so the inside can be reached.
Grammar: Takes an object: open the door; use the intransitive sense when something becomes open by itself.
Patterns
- open something
- open the door
- open a window
- open a box
Can you open the window? It is stuffy in here.
She opened the envelope with a clean knife.
He opened the shop at eight every morning.
verbintransitive
To become open or to start being available or in operation.
Grammar: No object; the subject changes state: The door opened slowly.
Patterns
- the door opened
- the shop opens at nine
- the road opened
The door opened before I touched the handle.
The new library opens next spring.
His eyes opened when the alarm rang.
Word forms
| third person singular | opens |
|---|---|
| past tense | opened |
| past participle | opened |
| -ing form | opening |
Common combinations
- open the door
- A gentle knock made her open the door.
- open to the public
- The garden is open to the public each May.
- open for business
- After repairs, the bakery is open for business again.
- wide open
- The suitcase lay wide open on the bed.
- open to suggestions
- We have a draft, and we are open to suggestions.
Synonyms and how they differ
- ajar
- Ajar means partly open; open does not say how far.
- unclosed
- Unclosed is neutral and less common; open is the natural everyday word.
- accessible
- Accessible fits the available sense, but not the physical not-shut sense of a door.
- receptive
- Receptive fits the willing-to-consider sense and is more formal than open.
Opposites
Word family
Commonly confused: open or opened? open or ajar?
open vs opened
Opened names the past action; open names the resulting state: She opened the door, and now it is open.
open vs ajar
Ajar is always partly open; open can mean fully open or simply not shut.
Practice
The museum is open ___ visitors on Mondays.
Choose one answer.
Available to people is open to visitors. Open for business is a different fixed phrase, while with and at do not fit this pattern.
Make it your own
Write a sentence using “open”, then check it and compare it with the examples above.