1. [Adjective]: used of syllables; "a tonic syllables carries the main stress in a word"

2. [Adjective]: employing variations in pitch to distinguish meanings of otherwise similar words; "Chinese is a tonal language"

3. [Adjective]: of or relating to or producing normal tone or tonus in muscles or tissue; "a tonic reflex"; "tonic muscle contraction"

4. [Noun]: a medicine that strengthens and invigorates

5. [Noun]: a sweet drink containing carbonated water and flavoring; "in New England they call sodas tonics"

6. [Noun]: (music) the first note of a diatonic scale

7. [Noun]: lime- or lemon-flavored carbonated water containing quinine

8. imparting vitality and energy; "the bracing mountain air"

9. relating to or being the keynote of a major or minor scale; "tonic harmony"

Similar words to 'tonic'

Opposite words to 'tonic'

Try another search!

Look up words in the English4.Today Online Dictionary and add them to your own personal dictionary for vocabulary practice.

All you need to start your own personal dictionary web is a free English4.Today membership. Podcasts

Get immediate access to grammar tests, quizzes, exercises, pronuciation practice, vocabulary building, courses, and an online community all wanting to improve their English and help you improve yours! Standard membership is FREE!!