Definition of Open (meaning 1 of 3 — adjective)
Quick Meaning of Open
Not covered or closed; you can go in or see inside.
Detailed Definition of Open
Not shut or closed; accessible to passage or entry.
How to Pronounce Open
Stress pattern: Oo (2-syllable word).
Tip: Two syllables: OH-pun. Stress first syllable. 'O' like in 'go', second vowel is schwa sound.
Other Meanings of Open
“Open” has 3 distinct meanings in English. You’re viewing meaning #1; here are the other 2:
#2 Open as a verb
To make something not closed so you can pass through or see inside.
open the door
#3 Open as a verb
To start something new like a shop, event, or conversation.
open a business
Origin and Etymology of Open
From Old English 'open' meaning 'to uncover' or 'lay bare'.
How to Use Open in a Sentence
Each example shows “open” in the meaning “Not covered or closed; you can go in…”, with a CEFR level so learners can pick examples that match their fluency.
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“The door was open when I arrived.”
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“They keep the shop open until nine every evening.”
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“The field remained open to all visitors during the summer months.”
Synonyms and Antonyms of Open
Common Synonyms for Open
Smart Synonyms for Open — When to Use Each
- unlocked
- when access is physically available
- accessible
- for figurative or broader access
Antonyms of Open
Common Collocations with Open
These phrases pair with “open” in everyday English:
- wide open
- open door
- keep open
- open mouth
- open eyes
Common Mistakes When Using Open
Even fluent speakers slip up with “open”. Here’s how to avoid the most common errors:
- ✗ Wrong: The bank is opened at 9am.
- ✓ Correct: The bank is open at 9am.
- Why: Use adjective 'open' for state; use 'opens' for regular action.
- ✗ Wrong: Please to open the window.
- ✓ Correct: Please open the window.
- Why: No 'to' after 'please'; use imperative form directly.
Words Confused With Open
- Open vs Opened: Open is state (the door is open); opened is action (I opened the door).
Other Forms of Open
Frequently Asked Questions About Open
What is the meaning of "Open"?
Not covered or closed; you can go in or see inside.
How do you pronounce "Open"?
The IPA is /ˈoʊpən/. Two syllables: OH-pun. Stress first syllable. 'O' like in 'go', second vowel is schwa sound.
What part of speech is "Open"?
"Open" is an adjective at A1 level (Common European Framework).
What are synonyms for "Open"?
Common synonyms include unlocked, unclosed, accessible.
How do you use "Open" in a sentence?
For example: "The door was open when I arrived."