Synonyms of 'tonic'
We are spending twice as much on health tonics as five years ago.
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A pick-me-up is something that you have or do when you are tired or depressed in order to make you feel better.
When you need a pick-me-up, try peppermint oil.
Thesaurus for tonic from the Collins English Thesaurus
Tonic or tonic water is a colourless fizzy drink that has a slightly bitter flavour and is often mixed with alcoholic drinks, especially gin.