EngDict

1: "Hello!" or an equivalent greeting.

2: To greet with "hello".

3: A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence.

Ex: Hello, everyone.

4: A greeting used when answering the telephone.

Ex: Hello? How may I help you?

5: A call for response if it is not clear if anyone is present or listening, or if a telephone conversation may have been disconnected.

Ex: Hello? Is anyone there?

6: Used sarcastically to imply that the person addressed or referred to has done something the speaker or writer considers to be foolish.

Ex: You just tried to start your car with your cell phone. Hello?

7: An expression of puzzlement or discovery.

Ex: Hello! What’s going on here?