Meaning of the word oh in English

What does oh mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

oh

US /oʊ/
UK /əʊ/
"oh" picture

Interjection

used to express various emotions, such as surprise, pain, or pleasure, or to attract attention

Example:
Oh, I didn't see you there!
Oh, that hurts!