hello

hel|lo

S1 [həˈləu, he- US -ˈlou] interjection, n also hallo, hullo BrE

[Date: 1800-1900; Origin: hollo a shout to call attention (16-19 centuries)]

1.) used as a greeting when you see or meet someone

▪ Hello, John! How are you?

▪ Stanley, come and say hello to your nephew.

▪ Well, hello there ! I haven't seen you for ages.

2.) used when answering the telephone or starting a telephone conversation

▪ Hello - may I speak to Anne?

3.) used when calling to get someone's attention

▪ Hello! Is there anybody home?

4.) used when you think someone is not acting sensibly or has said something stupid

▪ You didn't remember her birthday? Hello!

5.) BrE used to show that you are surprised or confused by something

▪ Hello! What's happened here?

6.) say hello

to have a quick conversation with someone

▪ Promise you'll look in and say hello when you have time.