Standard Lemma guide

trimethoprim

noun · 1 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: /tɹʌɪˈmɛθ.ə(ʊ).pɹɪm/
  • General-American: /tɹaɪˈmɛθ.əˌpɹɪm/

1

noun

Meaning 1

A synthetic antibiotic used to treat malaria and respiratory and urinary infections (usually in conjunction with a sulphonamide).

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

History

Etymology

Etymology tree English trimetho(xy) German Pyrimidinbor. English p(y)rim(idine) English trimethoprim From trimetho(xy) + p(y)rim(idine).

Across languages

Translations

4 source translations are retained for this English entry.

  • Catalan: trimetoprim — Translations
  • Czech: trimethoprim — Translations
  • Czech: trimetoprim — Translations
  • Spanish: trimetoprima — Translations