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oh - definition and synonyms


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interjection oh pronunciation in British English /əʊ/
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  1. 4
    used for accepting someones answer to your question
    ‘You haven’t invited her husband, have you?’ ‘Of course I have.’ ‘Oh. Well don’t expect me to come then.’
  2. 6
    used for showing that you did not know something
    ‘He just resigned.’ ‘Oh, did he?’
    ‘David should be home next week.’ ‘Oh yes?’
  3. 7
    British used when telling a story for introducing the words that you or someone else has said
    Then he says oh I thought you weren’t coming.


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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a stupid person

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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