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  1. cambridge.org
    https://dictionary.cambridge.org › dictionary › english › hi

    HI | English meaning - Cambridge Dictionary

    HI definition: 1. used as an informal greeting, usually to people who you know: 2. written abbreviation for the…. Learn more.

  2. merriam-webster.com
    https://www.merriam-webster.com › dictionary › hi

    HI Definition & Meaning - Merriam-Webster

    The meaning of HI is —used especially as a greeting. How to use hi in a sentence.

  3. dictionary.com
    https://www.dictionary.com › browse › hi

    HI Definition & Meaning | Dictionary.com

    Hi definition: (used as an exclamation of greeting) hello!. See examples of HI used in a sentence.

  4. yourdictionary.com
    https://www.yourdictionary.com › hi

    Hi Definition & Meaning | YourDictionary

    A friendly, informal, casual greeting said when meeting someone. Hi, how are you? I just dropped by to say “hi”.

  5. oxfordlearnersdictionaries.com
    https://www.oxfordlearnersdictionaries.com › ... › english › hi

    hi exclamation - Definition, pictures, pronunciation and ...

    Definition of hi exclamation in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  6. collinsdictionary.com
    https://www.collinsdictionary.com › dictionary › english › hi

    HI definition and meaning | Collins English Dictionary

    HI in American English abbreviation Hawaii (approved esp. for use with zip code)

  7. thefreedictionary.com
    https://www.thefreedictionary.com › hi

    Hi - definition of hi by The Free Dictionary

    hi (haɪ) sentence substitute an informal word for hello [C20: originally US, from hiya]