go offとは 意味・読み方・使い方

動詞

go off (三人称単数 現在形 goes off, 現在分詞 going off, 過去形 went off, 過去分詞 gone off)

1. (intransitive) To explode.

   The bomb went off right after the president left his office.

   • 1899 February, Joseph Conrad, “The Heart of Darkness”, in Blackwood’s Edinburgh Magazine, volume CLXV, number M, New York, N.Y.: The Leonard Scott Publishing Company, […], →OCLC, part I, page 213:

     You see the thing had gone off like a box of matches.

2. (intransitive) To fire, especially accidentally.

   The gun went off during their struggle.

3. (intransitive) To explode metaphorically; to become very angry.

   It all went off when the opposing teams' fans met at the railway station.

   When the boss came to know about the scheme, he went off, shouting and throwing everything away.

4. (intransitive) To begin clanging or making noise.

   The alarm will go off at six a.m.

   Just after he spotted the first plane on the horizon, sirens started to go off around the city.

5. (intransitive) To stop operating; to switch off.

   We were watching TV when suddenly the power went off.

7. (intransitive) To depart; to leave.

   Having sated her appetite, she went off in search of a place to sleep.

   I don't know where he's going—he went off without a word.

   • 1995, Nick Hornby, High Fidelity, London: Victor Gollancz, →ISBN, page 25:

     I was intimidated by the other men on her design course, and became convinced that she was going to go off with one of them. She went off with one of them.

8. (intransitive, UK, Australia) To putrefy or become inedible, or to become unusable in any way.

   Synonyms: go sour, spoil

   • 1987 September 3, Unpalatable Treatment, New Scientist, page 20,

     But to cast out a technique that could not only reduce the incidence of food poisoning but could also allow us to move away from another bete noire of the “technophobes” — chemical treatment to prevent stored grain from going off— is daft

   • 2005, Neil Perry, The Food I Love‎^[1], page 13:

     Don′t expect to store fragile food like fish, poultry and meat in the refrigerator at home for a long period of time, as it will go off quickly.

   • 2005, Nancy Abeiderrahmane, “Modern Dairy Products from Traditional Camel Herding: An Experience in Mauritania”, in Bernard Faye; Palmated Esenov, editors, Desertification Combat And Food Safety: The Added Value Of Camel Producers, page 156:

     Although there is a popular myth about camel milk ‘never going off’, experience shows that pasteurised packaged camel milk does not keep any better than its cow equivalent, and seems to lose its flavour faster.

   Bugger—the milk's gone off already!

9. (transitive) To like less.

   Ever since falling off her bike, she's gone off cycling to work.

   We needed a vet visit because some of the cattle had gone off their feed.

10. (intransitive) (主に英国用法, of epoxy resins) To cure; to set.

    I've got to get the panels aligned quickly now because the epoxy resin will go off within 20 minutes or so.

11. (intransitive) To pass off; to take place; to be accomplished.

    The party went off very well.

    • 1864 August – 1866 January, [Elizabeth] Gaskell, Wives and Daughters. An Every-day Story. […], volume (please specify |volume=I または II), London: Smith, Elder and Co., […], published 1866, →OCLC:

      The wedding went off much as such affairs do.

12. (slang) To ejaculate.

    Synonyms: ejaculate, cum

13. (LGBT) To serve (sense 14).

参考

• go off at score
• go off half-cocked
• go off on one
• go off the boil
• go off the rails
• go off the reservation

使用する際の注意点

This is normally used in the phrase "at the first go-off".