WordReference Random House Learner's Dictionary of American English © 2015
hel•lo /hɛˈloʊ, hə-, ˈhɛloʊ/USA pronunciation interj., n., pl. -los.

interj. 
  • This word is used to express a greeting, answer a telephone, or attract attention:Hello, how are you?
  • This word is used to express surprise, wonder, etc.:"Hello, what's this?'' said the detective.

  • n. [countable]
  • an act or instance of saying "hello''; greeting:a mumbled hello.


  • Collins Concise English Dictionary © HarperCollins Publishers::

    hello, hallo, hullo /hɛˈləʊ hə-; ˈhɛləʊ/ sentence substitute
    1. an expression of greeting used on meeting a person or at the start of a telephone call
    2. a call used to attract attention
    3. an expression of surprise
    4. an expression used to indicate that the speaker thinks his or her listener is naive or slow to realize something: Hello? Have you been on Mars for the past two weeks or something?
    n ( pl -los)
    1. the act of saying or calling "hello"
    Etymology: 19th Century: see hallo



    'hello' also found in these entries:

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