Dictionary

hello

/həˈləʊ/•listen
/həˈloʊ/•listen

noun

Definition:"Hello!" or an equivalent greeting.
Example:

    verb

    Definition:To greet with "hello".
    Example:

      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?