promethazine

pro·meth·a·zine
P3R1O1M3E1T1H4A1Z10I1N1E1
UK/pɹəʊˈmɛ.θə.ziːn/UK/pɹə-/US/pɹoʊˈmɛ.θəˌzin/

noun

A first-generation H₁ receptor antagonist derived from phenothiazine, used as antihistamine and antiemetic medication with strong sedative effects.

“For quotations using this term, see Citations:promethazine.”

Similar
Phenerganpro
UncommonScrabble 28
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Meanings

nounpromethazine (uncountable)
  1. uncountablemedicineA first-generation H₁ receptor antagonist derived from phenothiazine, used as antihistamine and antiemetic medication with strong sedative effects.

    For quotations using this term, see Citations:promethazine.

    Synonyms: Phenergan, pro

Synonyms & antonyms

nounA first-generation H₁ receptor antagonist derived from phenothiazine, used as antihistamine and antiemetic medication with strong sedative effects.

Similar
Phenerganpro

More synonyms by meaning

nounantihistamine (trade name Phenergan) used to treat allergies; also an antiemetic used to treat motion sickness

Similar
Phenergan
Broader
antihistamineantiemeticantiemetic drug

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From pro(p)- + meth- + (phenothi)azine.

Full word history & related roots →

Translations

Hungarian prometazin
  • prometazinTranslations
Spanish prometazina
  • prometazinaTranslations
Cite this entry
APA

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

MLA

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

Chicago

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

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