open
gb/ˈoʊpən/ us/ˈoʊpən/
A1
英語
~ 2900
語義
0件の語義
動詞
A1
action
1
Move to not be closed
To move something so it is not closed anymore.
用法パターン：
to open [something]
よくある間違い：
Learners sometimes confuse 'open' with 'turn on' when referring to electrical devices. For example, 'open the TV' is incorrect; it should be 'turn on the TV'.
類義語
unfasten (Implies undoing a fastening mechanism, often smaller-scale like buttons or locks.)
対義語
close (Means to move something into a shut or sealed position.)
コロケーション
open a door
|open a window
|open a box
|open the lid
テーマ
daily life
|home
|travel
|daily_life
|core_vocabulary
例文
- She opened the door to let in some fresh air.
- Please open the window; it's too hot in here.
- I opened the box and found a gift inside.
学習者向け例文
- Open the door, please.
- I open the box.
- He opens the window.
動詞
A2
action
2
Begin an event officially
To start something like a meeting, shop, or event officially.
用法パターン：
to open [event/business]
類義語
launch (Often used for starting new projects or businesses with publicity.)
対義語
close (Means to end or shut down an event or business.)
コロケーション
open a meeting
|open a store
|open a ceremony
テーマ
business
|events
|work
|communication
例文
- The mayor opened the new art gallery last night.
- We will open the store at 9 a.m.
- She opened the meeting by thanking everyone for coming.
学習者向け例文
- The shop opens at eight.
- He opens the meeting.
- They open the new school today.
adjective
A1
property
3
Not closed or fastened
Not closed; able to enter or see through.
類義語
unlocked (Specifically means not secured by a lock.)
対義語
shut (Means fully closed.)
コロケーション
open door
|open window
|open gate
テーマ
daily life
|daily_life
|core_vocabulary
例文
- The window is open, so be careful with the papers.
- The door was wide open when we arrived.
- Keep the lid open while stirring.
学習者向け例文
- The door is open.
- My window is open.
- The box is open.
adjective
A2
property
4
Accessible to everyone
Available for all people to join or use.
類義語
available (General term for being ready for use or participation.)
対義語
restricted (Limited to certain people or groups.)
コロケーション
open to the public
|open admission
|open competition
テーマ
society
|business
|daily_life
|core_vocabulary
例文
- The park is open to the public all year round.
- This job is open to applicants from any country.
- The library is open until 8 p.m.
学習者向け例文
- The park is open to all.
- This class is open to students.
- The shop is open now.
動詞
B1
action
5
Make available for access/use
To let people use or enter something.
用法パターン：
to open [something] to [someone]
類義語
unlock (Metaphorically means enabling access.)
対義語
block (To stop access or prevent use.)
コロケーション
open access
|open doors to
|open opportunities
テーマ
business
|society
|communication
|work
|core_vocabulary
例文
- They opened the archives to researchers.
- The new road will open the area to more tourists.
- We are opening our platform to developers worldwide.
学習者向け例文
- We open the gate to visitors.
- They open the files to the public.
- The school opens its doors to everyone.
文法
辞書形
open
IPA
GB/ˈoʊpən/
US/ˈoʊpən/
音節・強勢
open （1音節）
Stress on 1st syllable (open)
活用形
Adjective
- Base: open
Verb
- Base: open
- 3rd Person Singular: opens
- Present Participle: opening
- Past: opened
関連語
表現
open for business
1/ˈoʊpən fɚ bˈɪznɪs/
fixed phrase
Ready to serve customers/clients
Ready and prepared to sell goods or services.
例文
- The store is now open for business after renovations.
- Despite the storm, most shops were open for business.
open season (on)
1/ˈoʊpən sˈizən ˈɔn/
idiom
Period when attack/criticism allowed/easy
A time when it is easy or allowed to attack, criticize, or hunt someone or something.
例文
- It's open season on corrupt politicians right now.
- Deer hunting open season starts next week.
open up
1/ˈoʊpən ˈʌp/
phrasal verb
Become/make accessible or receptive
To make something easier to enter or use, or to talk more freely about feelings.
例文
- The new policy will open up more opportunities for small businesses.
- He finally opened up about his childhood.
out in the open
1/ˈaʊt ˈɪn ðə ˈoʊpən/
idiom
Visible and not hidden
In a place where people can see; not secret anymore.
例文
- Their relationship is now out in the open.
- We need to bring these issues out in the open.
wide open
1/wˈaɪd ˈoʊpən/
fixed phrase
Completely open/unrestricted
Fully open without anything blocking it, or with no limits.
例文
- The door was left wide open all night.
- The race is wide open this year.
wide open
2/wˈaɪd ˈoʊpən/
fixed phrase
Completely open and unrestricted
Completely open, with nothing blocking it.
例文
- The door was left wide open.
- Her eyes were wide open in surprise.