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tonic - definition and synonyms


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noun tonic pronunciation in American English /ˈtɑnɪk/
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  1. 1



    tonic water

    [countable/uncountable] a type of carbonated water (=with gas in it) with a bitter taste, often mixed with a strong alcoholic drink, or a glass of this drink

    a gin and tonic

    a vodka tonic

  2. 2
    [singular] something that makes you feel happier or healthier

    This vacation has been the perfect tonic for you.

  3. 3
    [countable] a medicine that you take to get more energy and feel healthier, especially after you have been sick or working too hard

    a Chinese herbal tonic

  4. 4
    [countable/uncountable] a liquid that you put on your hair or skin so that it becomes healthier and looks more attractive
  5. 5
    [singular] music the first note in a musical scale

sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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an electric skateboard

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