openとは 意味・読み方・使い方
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意味・対訳 あいた、開いた、あいている、あけた、咲いた、(木や囲いがなく)広々とした、見通しのよい、障害物のない、おおいのない、屋根のない
覚え方 |
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(さえぎるものがなく)開いた |
openの |
openの |
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openの |
openの学習レベル | レベル:1英検:3級以上の単語学校レベル:中学以上の水準TOEIC® L&Rスコア:220点以上の単語 |
研究社 新英和中辞典での「open」の意味 |
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open
leave a book open 本をあけたままにしておく. |
an open golf tournament オープンゴルフトーナメント. |
Let's leave the date open. 日取りは未定にしておきましょう. |
⇒open port 2. |
11
【音楽】
12
【音声】
láy onesèlf (wíde) ópen to… | with ópen árms |
Open the bottle for her.=Open her the bottle. 彼女に瓶の栓を抜いてあげなさい. |
open an account 口座を設ける, 取引を始める. |
open Congress [Parliament] 議会を開会する. |
This store opens at ten. この店は 10 時開店です. |
ópen a person's éyes | ópen fíre |
ópen óut | ópen sésame |
ópen the dóor for… | ópen the dóor to… |
ópen úp |
2
可算名詞
bríng…ìnto the ópen | còme óut ìnto the ópen |
in the ópen |
印刷・製造のほかの用語一覧
-
履歴機能過去に調べた
単語を確認! -
語彙力診断診断回数が
増える! -
マイ単語帳便利な
学習機能付き! -
マイ例文帳文章で
単語を理解! -
Eゲイト英和辞典での「open」の意味 |
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open
覚え方(さえぎるものがなく)開いた
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覆いがない▷形容詞2
(店などが)開いている▷形容詞3
公開された;参加自由の▷形容詞4
(地位・時間などが)空いている▷形容詞5
広々とした▷形容詞7a
率直な▷形容詞8
影響を受けやすい;(喜んで)受け入れる▷形容詞10
開ける▷他動詞1
切り開く▷他動詞2
始める▷他動詞3
公開する▷他動詞4
開く▷自動詞1
始まる▷自動詞2
形容詞
2((限定))(蓋・屋根などの)覆いがない(比較変化なし)
3((ふつう叙述))(店・博物館などが)開いている,営業している(比較変化なし)
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4公開された,出入り自由な;(催し物などが)参加自由の
5((ふつう叙述))(地位・職などが)空いている,空位の;(時間などが)空いている,暇な(比較変化なし)
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6((叙述))(問題などが)未解決の,未決定の(比較変化なし)
7a((限定))さえぎるもののない,開けた,広々とした
b((限定))(海・湖・河川が)(氷や雪に)覆われることのない,氷の張らない
8(人や物事を)隠さない,率直な,開かれた,偏見のない,公然の
9((口))(ギャンブルなどが)法的規制の無い,公認の;(小切手が)いつでも引き出せる;(切符が)いつでも使える
10((叙述))a〈…に〉開かれた,〈…の〉影響を受けやすい;〈…を〉受ける余地がある,(喜んで)受け入れる〈to〉(比較変化なし)
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b(都市・国家・コンピュータなどが)〈攻撃・被害に〉無防備な,さらされやすい〈to〉(比較変化なし)
11((ふつう限定))すき間のある,(レースや編み物の)目の粗い(比較変化なし)
12文字間[行間]のあいた
13≪音声≫開口音の14≪音楽≫開放の
成句blow (wide) open
風で開く;明らかになる
成句break open
無理やりに開ける,こじ開ける
成句burst open
パッと開く,割れて開く
成句kick open
蹴(け)り開ける
成句lay |a person| (wide) open
(人)を〈非難などに〉さらす〈to〉
成句open and above‐board
まったく隠しだてのない
動詞
他動詞
2(土地など)を切り開く,開拓する;(道)を開通させる(しばしばupを伴う)
3(事業・会など)を開く,始める,開設する
4…を公開する,開放する
5≪法≫(裁判で)(冒頭陳述)をする
6(心)を開く;…を開かせる;…を考える,…に注目する
自動詞
2(事業・会などが)始まる,開始する;(店などが)開く
3〈…に〉公開される〈to〉
4(窓などが)〈…の方向に〉面している,向いている〈on/to/onto〉
5(光景などが)開ける,展開する
6(考えなどを)打ち明ける,はっきり話す
7(株価が)寄り付く
成句open into ...
…に入る,通じる
成句open onto ...
…に出る,通じる
成句open out
①((open out))〈事業などを〉始める〈in〉
②((open out))…を開く,(心など)を打ち明ける
成句open up
①((open up))(花などが)開く;(店などが)開く;((口))戸を開ける(通例命令文で用いる);打ち明ける;(可能性などが)開ける
②((open up))(箱など)を開ける;(店など)を開く;(道・土地など)を切り開く;…を開放する
成句open up with ...
①…とは打ちとけて話す
②(物事)から始める,開始する
名詞
コア・セオリー英語表現(基本動詞)での「open」の意味 |
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open
コアとなる意味 | (遮るものがなく)開いた |
ポイント | 「カーテンが揚がる」が語源. |
①(扉など) を開ける, <(人)に>...を開けてやる<for
②(土地など) を切り開いて(道路や農地など)を 造る, 建設する (しばしばupを伴う)
- open an account at the bank
銀行口座を開く - open a import-export business
輸出入業を開く
open fire
- Two teen-agers opened fire on their classmates.
テイーンエイジャ-が同級生に発砲した
open into...
open onto...
①((open outで))<...の>(事業など)をはじめる<in>
②((open|outで))...を開く, (心など)を打ち明ける
①((open upで))(状況・事態などが) 生まれる,現れる
②((open|upで))...を引き起こす, (店)を開ける, (砲火)を開く, ...を打ち明ける
日本語WordNet(英和)での「open」の意味 |
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open
This opens up new possibilities これは、新しい可能性を開く |
an opportunity opened up 開かれた機会 |
(not having been filled)
they left the door open 彼らはドアを開けたままにした |
keep your eyes open 目を開けておきなさい |
open sports cars オープンスポーツカー |
(open and observable)
終わりません
(not brought to a conclusion)
(not requiring union membership)
(information that has become public)
(a tournament in which both professionals and amateurs may play)
遺伝子名称シソーラスでの「open」の意味 |
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Open
fly | 遺伝子名 | Open |
同義語(エイリアス) | On | |
SWISS-PROTのID | --- | |
EntrezGeneのID | EntrezGene:252296 | |
その他のDBのID | FlyBase:FBgn0003000 |
本文中に表示されているデータベースの説明
Weblio英和対訳辞書での「open」の意味 |
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open
open
open
open
open (and aboveboard)
open (out)
open (up)
open [establish, found]
spread [open] (out)
Open
Wiktionary英語版での「open」の意味 |
open
語源 1
From Middle English open, from 古期英語 open (“open”), from Proto-West Germanic *opan, from Proto-Germanic *upanaz (“open”), from Proto-Indo-European *upo (“up from under, over”). Cognate with Scots apen (“open”), Saterland Frisian eepen (“open”), West Frisian iepen (“open”), Dutch open (“open”), Low German open, apen (“open”), German offen (“open”), Danish åben (“open”), Swedish öppen (“open”), Norwegian Bokmål åpen (“open”), Norwegian Nynorsk open (“open”), Icelandic opinn (“open”). Compare also Latin supinus (“on one's back, supine”), Albanian hap (“to open”). Related to up.
形容詞

open (comparative more open, superlative most open)
- (usually not comparable) Not closed.
- Not physically drawn together, closed, folded or contracted; extended.
- (not comparable) Actively conducting or prepared to conduct business.
- 2013 July 20, “The attack of the MOOCs”, in The Economist, volume 408, number 8845:
- Since the launch early last year of […] two Silicon Valley start-ups offering free education through MOOCs, massive open online courses, the ivory towers of academia have been shaken to their foundations. University brands built in some cases over centuries have been forced to contemplate the possibility that information technology will rapidly make their existing business model obsolete.
- (comparable) Receptive.
- 2005, Pamela J. Carter, Susan Lewsen, Lippincott's Textbook for Nursing Assistants (page 277)
- 2021 April 2, Ciara Nugent, “Can Public Transit Survive the Pandemic? London's New Transport Commissioner Wants You to Believe It Can”, in Time[1]:
- (not comparable) Public
- 2001, He, Xiaopei, “Chinese Queer (Tongzhi) Women Organizing in the 1990s”, in Ping-Chun Hsiung; Maria Jaschok; Cecilia Milwertz; Red Chan, editors, Chinese Women Organizing: Cadres, Feminists, Muslims, Queers[2], Berg, →ISBN, →LCCN, →OCLC, page 41:
- Due to severe and pervasive discrimination, people dared not be open about their homosexuality, and because no one would be open, social prejudice and discrimination became even stronger.
- (not comparable) With open access, of open science, or both.
- (not comparable) Candid, ingenuous, not subtle in character.
- 1731-1735, Alexander Pope, Moral Essays
- 1705, J[oseph] Addison, Remarks on Several Parts of Italy, &c. in the Years 1701, 1702, 1703, London: […] Jacob Tonson, […], →OCLC:
- The French are always open, familiar, and talkative.
- (now regional) Mild (of the weather); free from frost or snow.
- (mathematics, logic, of a formula) Having a free variable.
- (mathematics, topology, of a set) Which is part of a predefined collection of subsets of , that defines a topological space on .
- (graph theory, of a walk) Whose first and last vertices are different.
- (computing, not comparable, of a file, document, etc.) In current use; mapped to part of memory.
- (engineering, gas かつ liquid flow, of valve または damper) To be in a position allowing fluid to flow.
- (electricity, of a switch または circuit breaker) To be in a position preventing electricity from flowing.
- (business) Not fulfilled.
- Not settled or adjusted; not decided or determined; not closed or withdrawn from consideration.
- an open question
- (music, stringed instruments) Of a note, played without pressing the string against the fingerboard.
- (music) Of a note, played without closing any finger-hole, key or valve.
- Not of a quality to prevent communication, as by closing waterways, blocking roads, etc.; hence, not frosty or inclement; mild; used of the weather or the climate.
- (law, of correspondence) Written or sent with the intention that it may made public or referred to at any trial, rather than by way of confidential private negotiation for a settlement.
- (phonetics) Uttered with a relatively wide opening of the articulating organs; said of vowels.
- (phonetics) Uttered, as a consonant, with the oral passage simply narrowed without closure.
- (phonetics, of a syllable) That ends in a vowel; not having a coda.
- (computing, education) Made public, usable with a free licence and without proprietary components.
- (medicine) Resulting from an incision, puncture or any other process by which the skin no longer protects an internal part of the body.
- (computing, used before "code") Source code of a computer program that is not within the text of a macro being generated.
- (of a multi-word compound) Having component words separated by spaces, as opposed to being joined together or hyphenated; for example, time slot as opposed to timeslot or time-slot.
同意語
- (not closed): accessible, unimpeded
- (ending in a vowel): free
- (with a free license かつ no proprietary components): free
反意語
- (accessible): closed, shut
- (law): without prejudice
- (ending in a vowel): closed, checked
- (with a free license かつ no proprietary components): closed-source, proprietary
下位語
派生語
- break open
- clopen
- drop open
- keep a weather eye open
- keep an eye open
- lay open
- open bar
- open book
- open cluster
- open compound
- open content
- open design
- open fireplace
- open fracture
- Open Game
- open goal
- open ground
- open harp
- open house
- open interest
- open letter
- open listing
- open loop
- open marriage
- open matte
- open mic
- open mind
- open outcry
- open outsourcing
- Open PaaS
- open problem
- open proxy
- open road
- open sandwich
- open sea
- open season
- open secret
- open sight
- open source
- open space
- open system
- Open University
- open water
- open-door policy
- open-heart surgery, open heart surgery
- open-jaw ticket
- open-kneed breeches
- open-top, open-topped
- open-topper
- openable
- openside
- wide open
- with open arms
語源 2
From Middle English openen, from 古期英語 openian (“to open”), from Proto-Germanic *upanōną (“to raise; lift; open”), from Proto-Germanic *upanaz (“open”, adjective). Cognate with Saterland Frisian eepenje (“to open”), West Frisian iepenje (“to open”), Dutch openen (“to open”), German öffnen (“to open”), Danish åbne (“to open”), Swedish öppna (“to open”), Norwegian Bokmål åpne (“to open”), Norwegian Nynorsk and Icelandic opna (“to open”). Related to English up.
動詞
open (三人称単数 現在形 opens, 現在分詞 opening, 過去形および過去分詞形 opened)
- (transitive) To make something accessible or allow for passage by moving from a shut position.
- 1913, Joseph C. Lincoln, chapter 7, in Mr. Pratt's Patients:
- (transitive) To make (an open space, etc.) by clearing away an obstacle or obstacles, in order to allow for passage, access, or visibility.
- He opened a path through the undergrowth.
- (transitive, intransitive, engineering, gas かつ liquid flow, of valve または damper) To move to a position allowing fluid to flow.
- (transitive, intransitive, electricity, of a switch, fuse または circuit breaker) To move to a position preventing electricity from flowing.
- (Manglish, Philippines) To turn on; to switch on.
- (transitive) To bring up, broach.
- (transitive) To enter upon, begin.
- to open a discussion
- to open trade, or correspondence
- (transitive) To spread; to expand into an open or loose position.
- (transitive) To make accessible to customers or clients.
- 1934, White Unto Harvest in China: A Survey of the Lutheran United Mission, the China Mission of the N.L.C.A., 1890-1934[4], →OCLC, page 76:
- Suiping was opened as a main station in 1912 when Rev. H. M. Nesse arrived to take charge of the mission work.
- (transitive) To start (a campaign).
- (intransitive) To become open.
- 1913, Joseph C. Lincoln, chapter 1, in Mr. Pratt's Patients:
- I stumbled along through the young pines and huckleberry bushes. Pretty soon I struck into a sort of path that, I cal'lated, might lead to the road I was hunting for. It twisted and turned, and, the first thing I knew, made a sudden bend around a bunch of bayberry scrub and opened out into a big clear space like a lawn.
- (intransitive) To begin conducting business.
- (intransitive, cricket) To begin a side's innings as one of the first two batsmen.
- (intransitive, poker) To bet before any other player has in a particular betting round in a game of poker.
- (transitive, intransitive, poker) To reveal one's hand.
- (computing, transitive, intransitive, of a file, document, etc.) To load into memory for viewing or editing.
- (transitive, nursing) To make (a bed) ready for a patient by folding back the bedcovers.
- (obsolete) To disclose; to reveal; to interpret; to explain.
使用する際の注意点
- Due to the near-opposite meanings relating to fluid flow and electrical components, these usages are deprecated in safety-critical instructions, with the words to on or to off preferred, so instead of Open valve A; open switch B" use Turn valve A to ON; turn switch B to OFF.
Conjugation
infinitive | (to) open | ||
---|---|---|---|
present tense | past tense | ||
1st-person singular | open | opened | |
2nd-person singular | open, openest† | opened, openedst† | |
3rd-person singular | opens, openeth† | opened | |
plural | open | ||
subjunctive | open | opened | |
imperative | open | — | |
participles | opening | opened |
†Archaic or obsolete.
同意語
- (to make accessible): unseal
- (to bring up): raise
- (to enter upon): start; see also Thesaurus:begin
- (to disclose): bare; see also Thesaurus:reveal
反意語
- (to make accessible): bare, shut
下位語
- (to make accessible): crack (open a bit)
派生語
- eye-opener (noun)
- eye-opening (adjective)
- open a can of whoop ass
- open fire
- open one's big mouth
- open sesame
- open shop
- open someone's eyes
- open the attack
- open the batting
- open the face
- open the range
- open up
- reopen
- when one door closes, another opens
語源 3
From Middle English open (“an aperture または opening”), from the verb (see Etymology 2 above). In the sports sense, however, a shortening of “open competition”.
名詞
- (with the) Open or unobstructed space; an exposed location.
- I can't believe you left the lawnmower out in the open when you knew it was going to rain this afternoon!
- (with the) Public knowledge or scrutiny; full view.
- (electronics) A defect in an electrical circuit preventing current from flowing.
- A sports event in which anybody can compete.
- the Australian Open
- The act of something being opened, such as an e-mail message.
派生語
語源
From Proto-Germanic *upanaz. Originally a past participle of Proto-Germanic *ūpaną (“to lift up, open”). Related to 古期英語 upp (“up”). Cognate with Old Frisian open, Old Saxon opan, Old High German offan, and Old Norse opinn.
発音
- IPA(key): /ˈo.pen/
形容詞
open
- open
- 11th century, unknown translator, the Old English Apollonius of Tyre
- Þā ġeseah hē ānne nacodne cnapan ġeond þā strǣte rinnan. Sē wæs mid ele ġesmiered and mid sċīetan beġierded, and cleopode mid miċelre stefne and cwæþ, "Ġehīeraþ ġē ċeasterwaran, ġehīeraþ ġē ælþēodiġe, friġe and þēowe, æðele and unæðele: sē bæþstede is open!"
- Then he saw a naked boy running through the street. His body was smeared with oil and he was wearing a sheet around his waist, when he called out in a loud voice, "Attention citizens, attention foreigners, free and slave, noble and ignoble: the bathhouse is open!"
- 11th century, unknown translator, the Old English Apollonius of Tyre
語形変化
Singular | Masculine | Feminine | Neuter |
---|---|---|---|
Nominative | open | open | open |
Accusative | openne | opene | open |
Genitive | openes | openre | openes |
Dative | openum | openre | openum |
Instrumental | opene | openre | opene |
Plural | Masculine | Feminine | Neuter |
Nominative | opene | opena, opene | open |
Accusative | opene | opena, opene | open |
Genitive | openra | openra | openra |
Dative | openum | openum | openum |
Instrumental | openum | openum | openum |
Singular | Masculine | Feminine | Neuter |
---|---|---|---|
Nominative | opena | opene | opene |
Accusative | openan | openan | opene |
Genitive | openan | openan | openan |
Dative | openan | openan | openan |
Instrumental | openan | openan | openan |
Plural | Masculine | Feminine | Neuter |
Nominative | openan | openan | openan |
Accusative | openan | openan | openan |
Genitive | openra, openena | openra, openena | openra, openena |
Dative | openum | openum | openum |
Instrumental | openum | openum | openum |
派生語
ウィキペディア英語版での「open」の意味 |
Open....
出典:『Wikipedia』 (2011/05/05 12:35 UTC 版)
Weblio例文辞書での「open」に類似した例文 |
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open
open
to open up
Open.
to open (something) completely
to open a gate
become open
to close a banquet―(西洋なら)―go to the drawing-room
開くもの
slightly open
to throw open
to be stumped by something or someone
to open something up
open formally
to extract the square root (of a number)
開きます。
It opens.
to push open
come open suddenly
to dodge
to open the gate
to burst open
open violently
to open widely
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openのページの著作権
英和辞典
情報提供元は
参加元一覧
にて確認できます。
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Text is available under Creative Commons Attribution-ShareAlike (CC-BY-SA) and/or GNU Free Documentation License (GFDL). Weblio英和・和英辞典に掲載されている「Wiktionary英語版」の記事は、Wiktionaryのopen (改訂履歴)の記事を複製、再配布したものにあたり、Creative Commons Attribution-ShareAlike (CC-BY-SA)もしくはGNU Free Documentation Licenseというライセンスの下で提供されています。 |
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Text is available under Creative Commons Attribution-ShareAlike (CC-BY-SA) and/or GNU Free Documentation License (GFDL). Weblio英和・和英辞典に掲載されている「Wikipedia英語版」の記事は、WikipediaのOpen.... (改訂履歴)の記事を複製、再配布したものにあたり、Creative Commons Attribution-ShareAlike (CC-BY-SA)もしくはGNU Free Documentation Licenseというライセンスの下で提供されています。 |
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