oh Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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Meaning of “oh” in the English Dictionary

"oh" in British English

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ohexclamation

uk   /əʊ/  us   //
A1 used to express different emotions, such as surprise, disappointment, and pleasure, often as a reaction to something someone has said: "He's been married three times." "Oh, really? I didn't know that!" "I'm sorry I can't come to the party." " Oh, too bad!" Is that for me? Oh, that's so sweet! "I'm sorry I forgot to call you." "Oh, don't worry."
A1 introduces an idea that you have just thought of, or something that you have just remembered: Oh, I've just thought of a problem. Oh, and don't forget to lock the back door.
A1 used with other expressions of disappointment, sadness, anger, etc.: Oh dear, what a mess! Oh no, I left my umbrella behind!

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ohnoun [C]

(also o) uk   /əʊ/  us   //
sometimes used in writing for the number zero: My phone number is five, double oh, seven, six, six.

OH

written abbreviation for the US state of Ohio: used in addresses
(Definition of oh from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"oh" in American English

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ohexclamation

 us   //
used to express a variety of emotions, such as surprise and pleasure, often as a reaction to something someone has said: Oh, I didn’t know they were married. Oh, really?
(Definition of oh from the Cambridge Academic Content Dictionary © Cambridge University Press)
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“oh” in British English

A blazing row: words and phrases for arguing and arguments
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by Kate Woodford We can’t always focus on the positive! This week, we’re looking at the language that is used to refer to arguing and arguments, and the differences in meaning between the various words and phrases. There are several words that suggest that people are arguing about something that is not important. (As you might

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