noun
definition
"Hello!" or an equivalent greeting.
verb
definition
To greet with "hello".
interjection
definition
A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence.
example
Hello, everyone.
definition
A greeting used when answering the telephone.
example
Hello? How may I help you?
definition
A call for response if it is not clear if anyone is present or listening, or if a telephone conversation may have been disconnected.
example
Hello? Is anyone there?
definition
Used sarcastically to imply that the person addressed or referred to has done something the speaker or writer considers to be foolish.
example
You just tried to start your car with your cell phone. Hello?
definition
An expression of puzzlement or discovery.
example
Hello! What’s going on here?