oh /əʊ $ oʊ/
interjection[
Date: 1500-1600;
Origin: O 1]
1. used when you want to get someone’s attention or continue what you are saying:
Oh, look, I think that’s Harry over there. Milk, cereal, juice – oh, and put lettuce on the list too.2. used when you are giving an answer to a question:
‘Have you met his wife?’ ‘Oh, yes, I know her quite well.’ ‘I hope Jenny won’t be angry.’ ‘Oh, no, don’t worry about that.’oh, okay/all right ‘Can you lend me ten pounds?’ ‘Oh, all right, but only until tomorrow.’3. used to make a slight pause when you are speaking:
I met your friend in town, oh, what’s her name?4. used to show that you are very happy, angry, disappointed etc about something:
Oh, aren’t those flowers gorgeous! Oh, how awful! Oh, no! I’ve left my keys in the car!oh, good/great Oh, good, you’re still here.oh, God/oh, dear etc Oh, God, I forgot all about it! Oh, well, never mind.5. used to show that you are surprised about something:
‘Frances has left her husband, you know.’ ‘Oh, has she?’ Oh, I didn’t know that. [TahlilGaran] Dictionary of Contemporary English ▲