A1exclamationinformalhigh_frequency_chunk

Oh

UK /["/əʊ/"]/US /["/əʊ/"]/

Definition

used when you are reacting to something that has been said, especially if you did not know it before

In simple words: A sound made when surprised or when realizing something.

Examples

  • ‘I saw Ben yesterday.’ ‘Oh yes, how is he?’
  • Oh dear! What's happened now?
  • You can’t come tonight? Oh well, see you next week then.
  • ‘Emma has a new job.’ ‘Oh, has she?’
  • Oh, how wonderful!
  • Oh no, I've broken it!
  • Oh, Sue! Could you help me a moment?
  • I've been in this job for, oh, about six years.

Usage notes

Commonly used in casual conversation or texts when expressing surprise, understanding, or mild disappointment. Not suitable for formal writing or speech.

Grammar pattern

standalone exclamation

Memory hint

Think of 'oh!' as an expressive sound of surprise or realization.

Collocations

  • oh my
  • oh no
  • oh really

Synonyms

  • wow
  • oops
  • ah
  • eh
  • hey

Antonyms

  • No
  • Nah

Common mistakes

  • Overusing it in formal contexts.
  • Confusing it with 'ohh' which indicates a longer realization.
  • Not using appropriate punctuation in writing.