tonic

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tonic¹

  • /ˈtɒnɪk/ UK
  • /ˈtɑ.nɪk/ Atlantic Canada, US
  • /ˈtɒnɪk/ Boston, Canada, Maine
  • /ˈtɔnɪk/ Australia
  • [ˈtɔ̟nək] New Zealand

Rhymes with -ɒnɪk

Where it comes from

From Ancient Greek τονικός (tonikós), from τόνος (tónos). 17th century writers believed health to be derived from firmly stretched muscles, thus tonic; the extension of tonic medicine appeared in the late 18th century. By surface analysis, ton(e) + -ic.

adjective more tonic · most tonic · tonick

  1. Pertaining to tension, especially of the muscles. Out in front and across the street, Doc noted half a dozen or so young men, not loitering or doing substances but poised and tonic, as if waiting for some standing order to take effect.
  2. Restorative; curative; or invigorating. The arrival of the new members had a tonic effect on the team.
  3. In a state of continuous unremitting action. Peter Redgrave (2007) Basal ganglia. Scholarpedia, 2(6):1825. GABAergic neurones in the basal ganglia output nuclei have high tonic firing rates (40-80 Hz).

noun tonics · tonick

  1. uncountable, usually A substance with medicinal properties intended to restore or invigorate. We used to brew a tonic from a particular kind of root.
  2. uncountable, usually Tonic water.
  3. Boston, US, dated, uncountable, usually Any of various carbonated, non-alcoholic beverages; soda pop.
  4. figuratively, uncountable, usually Someone or something that revitalises or reinvigorates. Charlie ain't no Nazi / She likes to wear her leather boots / 'Cause it's exciting for the veterans / And it's a tonic for the troops.

verb tonics · tonicking · tonicked · tonick

  1. archaic To restore or invigorate. When all signs of effusion, dulness, pain, œgophony, and cough had disappeared he was dieted, stimulated, and tonicked.

tonic²

  • /ˈtɒnɪk/ UK
  • /ˈtɑ.nɪk/ Atlantic Canada, US
  • /ˈtɒnɪk/ Boston, Canada, Maine
  • /ˈtɔnɪk/ Australia
  • [ˈtɔ̟nək] New Zealand

Rhymes with -ɒnɪk

Where it comes from

From tone + -ic.

adjective tonick

  1. not comparable Pertaining to or based upon the first note of a diatonic scale.
  2. not comparable Pertaining to the accent or stress in a word or in speech.
  3. not comparable Of or relating to tones or sounds; specifically (phonetics, dated) being or relating to a speech sound made with tone unmixed and undimmed by obstruction, i.e. a vowel or diphthong.

noun tonics · tonick

  1. The first note of a diatonic scale; the keynote.
  2. The triad built on the tonic note.
  3. A tonic element or letter; a vowel or a diphthong.

Thesaurus

Closest in meaning: soda, soda water, soda pop, tonic water, brisk, bracing, invigorating, fresh, tonal, refreshing, refreshful, restorative, keynote, pop, accented, energizing

Translations

Every language

adj pertaining to tension

Deutschtonisch

adj curative

Españoltónico
Portuguêstónico, tônico
Deutschanregend, belebend, kräftigend, stärkend

noun substance

Españoltónico
한국어토닉 tonik
日本語トニック tonikku
中文補品 /补品 bǔpǐn, 補藥 /补药 bǔyào
Portuguêstónico, tônico
Françaistonique, tonic
DeutschKräftigungsmittel, Stärkungsmittel, Elixier, Tonikum, Tonic
Русскийто́ник tónik

noun figuratively: something that reinvigorates

Portuguêstónico, tônico
Deutscherfrischend, belebend

noun first note of a scale

日本語主音 shyuon
中文主音 zhǔyīn
Portuguêstónica, tônica
Françaistonique
DeutschTonika, Grundton
Italianotonica
Русскийто́ника tónika

noun triad built on the tonic note

DeutschTonika

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Cite this
MLA

"tonic." Wiktionary, via Micwyn, micwyn.com/word/tonic. Accessed 6 Nov. 2026.

APA

tonic. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/tonic

Chicago

"tonic." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/tonic.

BibTeX
@misc{tonic_2026,
  title = {tonic},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/tonic},
  urldate = {2026-11-06}
}