英和和英

発音

• (stressed)
  • (Received Pronunciation) IPA: /ˌəʊˈkeɪ/
  • (General American) IPA: /ˌoʊˈkeɪ/
• (unstressed)
  • IPA: /əˈkeɪ/
• 韻: -eɪ

語源 1

Origin disputed. Wikipedia lists many possible etymologies, of which the most widely accepted is that it is an abbreviation of oll/orl korrect, a comical spelling of all correct, which first appeared in print in The Boston Morning Post on March 23, 1839, as part of a fad for similar fanciful abbreviations in the United States during the late 1830s. The expression became popular through its use in the presidential campaign of Martin Van Buren in 1840, who was nicknamed Old Kinderhook, and then slowly acquired other meanings.

The Choctaw word oke, okeh (“it is so”), common in Choctaw translations of the Bible, could also explain OK's variety of affirmative definitions. Additionally, okeh was the most common etymology of okay in dictionaries until the 1960s, and linguistically predates Boston's O.K.. However, this theory suffers from the fact that the Choctaw language was relatively obscure and generally spoken (sometimes in a pidgin form) mainly with African-American slaves.

別の表記

• O.K., o.k., ok, okay, O. K., o. k., okeh, okey, okie

名詞

OK (plural OKs or OK's)

1. Endorsement; approval; acceptance; acquiescence.

   We can start as soon as we get the OK.

同意語

• (endorsement or approval): approval, endorsement, green light, go-ahead, nod, thumbs up

反意語

• NG

動詞

OK (third-person singular simple present OKs or OK's, present participle OKing or OK'ing, simple past and past participle OKed or OK'd or OK'ed)

1. (transitive) To approve; to accept; to acquiesce to.

   I don't want to OK this amount of money.

   • 2025 March 30, Tierney Sneed, “Is DOGE actually an agency? The answer could have major ramifications”, in CNN‎:

     In the data case, Judge John Bates has OK’d four depositions, while green-lighting other discovery requests from the challengers.

2. (transitive, computing) To confirm by activating a button marked OK.
   • 2001, Mike Collins, Pro Tools: Practical Recording, Editing and Mixing for Music Production:

     Type a suitable name for your Marker and OK the dialogue box.

   • 2008, Martin Evening, Adobe Photoshop CS4 for Photographers:

     When you OK the crop, the image size will be adjusted to match the front image resolution.

同意語

• approve
• greenlight

形容詞

OK (comparative more OK or OKer, superlative most OK or OKest)

1. All right, acceptable, permitted.

   Is it OK if I spend the night?

   • 1927, Ernest Bramah, Max Carrados Mysteries:

     'Everything O.K. so far as I have found,' was the reassuring answer.

   • 1967 August 19, Judith Crist, “This Week’s Movies”, in Merrill Panitt, editor, TV Guide, volume 15, number 33, Radnor, Pa.: Triangle Publications, →ISSN, →OCLC, page A-5, column 2:

     “A Summer Places”s simple thesis is that sexual promiscuity among the young is OK in general but it’s even more OK if the adults have a record of adultery and it’s even OKer than that if everybody has lots of money. But who wants to go slumming (even morally) in an armchair?

   • 2026 January 29, Angela Haupt, “Can I Ask Someone if They’re on Ozempic?”, in TIME‎, archived from the original on 1 February 2026:

     If someone has been transparent about their journey with GLP-1s, it’s OK to ask specific follow-up questions, she adds.

2. Satisfactory, reasonably good; not exceptional.

   The soup was OK, but the dessert was excellent.

   • 2004, Chu-Ching Chen, “The Returnee”, in Tony Bradman, editor, Skin Deep, London: Puffin Books, →ISBN, page 222:

     I watched her pale complexion and her creaseless school uniform as she shyly introduced herself in front of the class, and decided she was no different from all the others in Saginomiya Girls’ High School: rather smart, from an OK family, at any rate OKer than mine, with enough time and money to allow her to muse over where to get the latest version of tamagochi or that tartan dress with an above-knee hemline advertised in Seventeen.

3. Satisfied (with); willing to accept a state of affairs.
   • 2012, Roni Jay, The 10 Most Important Things You Can Do For Your Children:

     If you leave the kids in the creche for one morning on your week's holiday, and they are OK with that, then it's fine.

4. In good health or a good emotional state.

   He's not feeling well now, but he should be OK after some rest.

   Are you OK?

   • 2014, Sue Moorcroft, chapter 18, in The Wedding Proosal, Camberley, Surrey: Choc Lit, →ISBN, page 200:

     ‘Are we OK? Is this—?’ She made a gesture to include their two bodies. / ‘This is the OKest I’ve been in years.’

   • 2022 October 25, L. J. Shrum, Elena Fumagalli, Tina M. Lowrey, “Coping with loneliness through consumption”, in Journal of Consumer Psychology, volume 33, number 2, →DOI, page 452:

     In France, the French postal service La Poste provides a subscription service in which postal workers visit elderly subscribers to make sure they are okay, do not need anything, and provide brief social interaction.

同意語

• (all right, permissible): allowed, all right, permissible
• (satisfactory): adequate, all right, not bad, satisfactory
• (in good health or a good emotional state): fine, well

反意語

• (antonym(s) of “all right, permissible”): forbidden
• (antonym(s) of “satisfactory”): NG, bad, inadequate, poor, unsatisfactory
• (antonym(s) of “in good health or a good emotional state”): ill, poorly, sick, under the weather, unwell

副詞

OK (comparative more OK, superlative most OK)

1. Satisfactorily, sufficiently well.

   The team did OK in the playoffs.

同意語

• (satisfactorily): adequately, satisfactorily

反意語

• (antonym(s) of “satisfactorily”): NG, badly, inadequately, poorly, unsatisfactorily

間投詞

OK

1. Used to indicate acknowledgement or acceptance.

   Synonyms: okey-dokey, okeh, okey, k, 'kay, m'kay, A-OK, all right

   I promise to give it back. – OK.

   Let's meet again this afternoon. – OK.

   Shut up! – OK, OK.

   OK! I get it! Stop nagging me!

   • 2016, VOA Learning English (public domain)

     Come by this afternoon. — Okay.

2. (computing) Used to dismiss a dialog box or confirm a prompt.
3. Used to introduce a sentence in order to draw attention to the importance of what is being said.

   Synonyms: now, now then

   OK, I'm thinking of a number…

4. Used in turn-taking, serving as a request to the speaker to grant the turn to the interrupter.

   You always do this to me! When we were at your mother’s, you said that… – OK, OK, …

5. Used to sarcastically or sardonically indicate agreement with the previous statement.

派生語

派生した語

参考

• oll korrect
• 👌
• Wikipedia article on "okay"
• Wikipedia article on the "OK" hand gesture
• Wikipedia article on "A-OK" and the hand gesture

参照

• How 'OK' took over the world, Allan Metcalf, BBC News Magazine (2011 February 18)
• The ‘O’ Word, Roy Blount, Jr., The New York Times Sunday Book Review (2010 November 19)
• OK: The Improbable Story of America's Greatest Word, Allan Metcalf, Oxford University Press (2010)
• Jim Fay (16 September 2009), “The Choctaw Expression "Okeh" and the Americanism "Okay"”, in Illinoisprairie.info‎, archived from the original on 24 December 2010.
• Allen Read, the Expert of 'O.K.,' Dies at 96, Douglas Martin, The New York Times Obituaries (2002 October 18)
• What does "OK" stand for?, Cecil Adams, The Straight Dope (1985)
• “OK”, in OneLook Dictionary Search.

語源 2

固有名詞

OK

1. (postal) Abbreviation of Oklahoma: a state of the United States.

別の表記

• (Oklahoma): OK., Ok., Ok

同意語

• (Oklahoma): Oklahoma, Okla, Okla.

語源 3

Possibly a shortening of Chinese 卡拉OK. (Can this etymology be sourced?)

名詞

OK (plural not attested)

1. (Hong Kong) Karaoke.

参照

• Patrick J. Cummings, Hans-Georg Wolf (2011), A Dictionary of Hong Kong English: Words from the Fragrant Harbor, Hong Kong University Press, →ISBN, page 126

アナグラム

• KO, Ko, ko

語源

From 古期英語 -oc, -uc, from Proto-West Germanic *-uk, from Proto-Germanic *-ukaz. More at -ock.

接尾辞

-ok

1. suffix forming diminutives of nouns

派生した語

• English: -ock, -ick, -ik (dialectal)
• Scots: -ock, -ockie
• Yola: -ok, -ock, -uck, -ick

参照

• “-ok, suf.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.