OH

/ou/
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Definition
  1. Interjection:
    • An exclamation expressing various emotions: "oh" is used to express a range of feelings, including surprise, pain, disappointment, understanding, or to introduce a direct address or a response.
    • Used to introduce a remark or to get someone's attention: It can serve as a discourse marker to preface a statement or to call for attention.
Usage Examples
  • Expressing surprise, realization, or emotion:
    • Oh! I didn't see you there.
    • Oh, that's a great idea!
    • Oh dear, I think I've lost my keys.
  • Expressing pain or discomfort:
    • Oh! That hurt!
  • Expressing disappointment or resignation:
    • Oh. I thought you were coming tomorrow.
  • Introducing a direct address or a response:
    • Oh, John, could you help me with this?
    • "Are you coming?" "Oh, yes, of course."
Advanced Usage
  • "Oh, I see": Used to indicate that one has just understood or realized something.
    • Oh, I see what you mean now.
  • "Oh, well": Used to express resignation or acceptance of a situation.
    • Oh, well, we can try again tomorrow.
  • "Oh, really?": Used to express interest, skepticism, or surprise about a statement.
    • "He's moving to Japan." "Oh, really?"
  • "Oh, boy" / "Oh, man": Informal exclamations expressing strong emotion (e.g., excitement, dismay).
    • Oh, boy, this is going to be fun!
    • Oh, man, I can't believe I forgot.
Variants and Related Words
  • O (interjection): An archaic or poetic variant, often used in exclamations (e.g., ). Note: "O" is typically used in direct address without punctuation, while "oh" is used as a general exclamation with punctuation.
  • Oh-oh / Uh-oh (interjection): Used to indicate the realization of a mistake or a problem.
    • Uh-oh, I think we're lost.
Synonyms
  • Ah: Expresses realization, surprise, or pleasure.
  • Wow: Expresses strong surprise or admiration.
  • Ouch: Specifically expresses sudden pain.
  • Hey: Used to call attention.
Related Phrases
  • Oh my God / Oh my gosh / OMG: An exclamation of shock, surprise, or emphasis.
    • Oh my God, look at that view!
  • Oh no: An exclamation of dismay, disappointment, or worry.
    • Oh no, I spilled coffee on my shirt.
  • Oh yes / Oh yeah: An emphatic affirmation.
    • Oh yes, I remember that day perfectly.
Notes on Different Meanings
  • Proper Noun (OH): As a capitalized abbreviation, "OH" most commonly refers to the U.S. state of Ohio. This is a distinct, separate meaning from the interjection "oh."
    • She was born in Columbus, OH.
  • The interjection "oh" is distinct from the chemical symbol for the hydroxyl radical (OH) or its use in other acronyms.
Noun
  1. a midwestern state in north central United States in the Great Lakes region