theriac

T1H4E1R1I1A1C3
US/ˈθɪriˌæk/US/ˈθɪəriˌæk/UK/ˈθɪərɪak/

noun

A universal antidote against all poisons, particularly medicines considered to derive from a recipe of the Roman physician Andromachus and representing an improvement on mithridate.

“Theriac was essentially homeopathic in its supposed function, being an improvement on mithridate by virtue of containing more poisons.”

Scrabble 12

Meanings

nountheriac (countable and uncountable, plural theriacs)

plural theriacs · alternative theriaca · alternative theriace · alternative theriack · alternative theriaque

  1. countablehistoricaluncountablemedicineA universal antidote against all poisons, particularly medicines considered to derive from a recipe of the Roman physician Andromachus and representing an improvement on mithridate.

    Theriac was essentially homeopathic in its supposed function, being an improvement on mithridate by virtue of containing more poisons.

    3 more examples

    This excellent triacle Methridatum is nexte in qualitye and virtue to Theriaca... but onely Theriaca is a little hotter and stronger againste venyme of Snakes.

    1558, William Bullein, The Government of Health, fol. 120

    Theriaca Andromachi, the Venice or Mithridate treacle... Theriaca communis, common treacle, or molasses... Theriaca Londinensis, a cataplasm of cummin seed, bay-berries, germander, snake-root, cloves and honey.

    1811, John Quincy et al., Quincy's Lexicon-Medicum..., s.v

    From then on galene became the theriac par excellence, known simply as theriac, and there never was a more successful drug[…] Those who could afford it gulped down a bean-sized lump of theriac for practically everything from the Black Death to nothing at all, as a preventive.

    1975, Guido Majno, The Healing Hand, Harvard University Press, page 415
  2. countablefigurativelyuncountableA hyponym of panacea.
  3. archaiccountableuncountablemedicineSynonym of antidote, particularly (pseudoscience) those incorporating snakemeat to cure snakebite.

    ...ane half vnce of guid auld theriac...

    1568, Gilbert Skeyne, chapter 7, in Ane Breue Descriptioun of the Pest
    2 more examples

    ...the great number of Vipers, brought to the Grand Duke of Toscany for the composing of Theriac or Treacle...

    1666, Philosophical Transactions, volume I, page 160

    ...in the herbal (Kra:uterbuch) of German physician Adam Lonicer... In his final edition, published in 1587 (the year after his death), Lonicer added an entry on bezoar, "a stone against all poison," which he highlighted as "more powerful than any other poison antidote or theriac."

    2021, Alisha Rankin, The Poison Trials, page 179

    Synonyms: antidote, particularly

  4. countableobsoleteuncountableSynonym of molasses.

    Synonyms: molasses

adjectivetheriac (comparative more theriac, superlative most theriac)

comparative more theriac · superlative most theriac · alternative theriaca · alternative theriace · alternative theriack · alternative theriaque

  1. medicineSynonym of theriacal: of or related to theriac.

    Synonyms: theriacal

  2. obsoletemedicineSynonym of medicinal.

    Synonyms: medicinal

Synonyms & antonyms

nounSynonym of antidote, particularly (pseudoscience) those incorporating snakemeat to cure snakebite.

nounSynonym of molasses.

Similar

adjectiveSynonym of theriacal: of or related to theriac.

Similar

adjectiveSynonym of medicinal.

Similar

Origin

  1. Ancient Greekθηριακὴ“of or related to poisonous reptiles”
  2. Late Latintheriaca
  3. Ancient Greekθηριακὸν
  4. Medieval Latintheriacum
  5. Englishtheriac

From Medieval Latin theriacum, from Ancient Greek θηριακὸν (thēriakòn) and Late Latin theriaca, from Ancient Greek θηριακὴ (thēriakḕ, “of or related to poisonous reptiles”), from θηρίον (thēríon, “little beast”) + -κός (-kós), from θήρ (thḗr, “beast”) + -ίον (-íon, diminutive suffix). Doublet of theriaca.

Full word history & related roots →

Translations

Arabic تِرْيَاق
  • تِرْيَاق (tiryāq)a supposed universal antidote, distinguished from mithridate
Bulgarian панацея
  • панацея (panaceja)a supposed universal antidote, distinguished from mithridate
Dutch teriaak
  • teriaaka supposed universal antidote, distinguished from mithridate
French thériaque
  • thériaquea supposed universal antidote, distinguished from mithridate
German Theriak
  • Theriaka supposed universal antidote, distinguished from mithridate
Italian teriaca
  • teriacaa supposed universal antidote, distinguished from mithridate
Polish teriak
  • teriaka supposed universal antidote, distinguished from mithridate
Portuguese teriaga
  • teriagaa supposed universal antidote, distinguished from mithridate
Russian териа́к
  • териа́к (teriák)a supposed universal antidote, distinguished from mithridate
Spanish teriaca
  • teriacaa supposed universal antidote, distinguished from mithridate

Rhymes & wordplay

Anagrams

Cite this entry
APA

theriac. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/theriac

MLA

“theriac.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/theriac. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “theriac,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/theriac.

Source: theriac on Wiktionary, CC BY-SA 4.0.