Standard Lemma guide

metronidazole

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ˌmɛ.tɹəˈnʌɪ.də.zəʊl/
  • General-American: /ˌmɛ.tɹəˈnaɪ.dəˌzoʊl/

1

noun

Meaning 1

An antibiotic of the nitroimidazole group, used to treat vaginal trichomoniasis, amebiasis, and infections by anaerobic bacteria.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

antiprotozoal medication (trade name Flagyl) used to treat trichomoniasis and giardiasis

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Flagyl

Antonyms: none provided

Broader terms: antiprotozoal, antiprotozoal drug

History

Etymology

Etymology tree Proto-Indo-European *médhu Proto-Hellenic *méthu Ancient Greek μέθυ (méthu) Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. German -yl German Methylbor. English me(thyl) Egyptian nṯr Proto-Afroasiatic *-i? Egyptian -j Egyptian nṯrjder. Semiticbor. Ancient Greek νῐ́τρον (nĭ́tron) English nitro- Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia Proto-Indo-European *dheh1-der. Proto-Italic *-iðos Latin -idusder. English -ide English amide English imide Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ᾰ̓- (ă-) Proto-Indo-European *gweyh3- Proto-Indo-European *-wós Proto-Indo-European *gwih3wós Proto-Indo-European *gwíh3weti Proto-Hellenic *gwyṓw-ō Proto-Hellenic *ďṓwō Ancient Greek ζώω (zṓō) Ancient Greek ζῶ (zô) Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Ancient Greek -ᾱ (-ā) Ancient Greek -η (-ē) Ancient Greek ζωή (zōḗ) French azotebor. English azote English azo- English -ole English azole English imidazole English -tronidazole English metronidazole From me(thyl) + -tronidazole (“alteration of nitroimidazole”).

Across languages

Translations

2 source translations are retained for this English entry.

  • Czech: metronidazol — Translations
  • Spanish: metronidazol — Translations