American Dictionary

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Definition tonic in American English

tonic noun

noun
/ˈtɑnɪk/
1

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

Example

a gin and tonic

Example

a vodka tonic

Synonyms and related words
2

something that makes you feel happier or healthier

Example

This vacation has been the perfect tonic for you.

Synonyms and related words
3

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

Example

a Chinese herbal tonic

Synonyms and related words
4

a liquid that you put on your hair or skin so that it becomes healthier and looks more attractive

Synonyms and related words
5

the first note in a musical scale

Synonyms and related words
A b bass
Definition tonic in American English