oh

exclamation

/əʊ/

/oʊ/

Definition

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 afraid I can't come to the party." " Oh, that's a shame." Is that for me? Oh, you're so kind! "I'm sorry I forgot to ring you." "Oh, don't worry."Sounds used as interjectionsInterjections 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.Sounds used as interjectionsInterjections A1 used with other expressions of disappointment, sadness, anger, etc.: Oh dear, what a mess! Oh no, I've left my umbrella behind!Sounds used as interjectionsInterjections

(Definition of oh exclamation from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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