Did you know?

Click any word in a definition or example to find the entry for that word

tonic

 - definition
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
noun American English pronunciation: tonic /ˈtɑnɪk/ 
Word Forms
Close
singulartonic
pluraltonics

Related dictionary definitions

 
  1. 1

    tonic

    or

    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.

food rave

a very large party where people eat, sell or share many different types of food, usually held outside or in a large public building

BuzzWord Article

Word of the Day

threadbare

threadbare clothing, carpet, or cloth is very thin and almost has holes in it because it has been...

Open Dictionary

dead white (European) male

a man … whose achievements may have been overestimated because he belonged to the gender and ethnic group … that was dominant at the time

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog