hello
hello - noun
Definition
"Hello!" or an equivalent greeting.
hello - verb
Definition
To greet with "hello".
hello - interjection
Definition (1)
A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence.
Example: Hello, everyone.
Definition (2)
A greeting used when answering the telephone.
Example: Hello? How may I help you?
Definition (3)
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 (4)
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 (5)
An expression of puzzlement or discovery.
Example: Hello! What’s going on here?