oh
ohexclamation
UK/əʊ/US/oʊ/
FEELING
A1used to show surprise, interest, disappointment or another feeling
- Oh, I didn't know that!
- Oh no, I've left my phone at home.
BEFORE SPEAKING
A2used before you answer or add something
- Oh, by the way, your mum called.
- Oh, that was just a friend on the phone.