Standard Lemma guide

chloroquine

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈklɔː.ɹə(ʊ).kwiːn/
  • Received-Pronunciation: /ˈklɒ.ɹə(ʊ).kwiːn/
  • Received-Pronunciation: /-kwɪn/
  • UK: Recorded audio is listed in the source snapshot.
  • General-American: /ˈklɔɹ.əˌkwɪn/
  • General-American: /ˈklɔɹ.əˌkwin/
  • rhymes with -iːn
  • rhymes with -ɪn

1

noun

Meaning 1

A 4-aminoquinoline drug used to treat and prevent malaria, having the chemical formula C18H26ClN3.

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

an antimalarial drug used to treat malaria and amebic dysentery and systemic lupus erythematosus

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: antimalarial, antimalarial drug

History

Etymology

Etymology tree Proto-Indo-European *ǵhelh3- Proto-Hellenic *khlōrós Ancient Greek χλωρός (khlōrós) English chloro- English -quine English chloroquine From chloro- + -quine (“quinoline derivative”).

Across languages

Translations

12 source translations are retained for this English entry.

  • Arabic: ْكْلُورُوكِين (klūrūkīn) — 4-aminoquinoline drug
  • Catalan: cloroquina — 4-aminoquinoline drug
  • Chinese Mandarin: 氯奎 (lǜkuí) — 4-aminoquinoline drug
  • Corsican: cloruchina — 4-aminoquinoline drug
  • Finnish: klorokiini — 4-aminoquinoline drug
  • French: chloroquine — 4-aminoquinoline drug
  • Greek: χλωροκίνη (chlorokíni) — 4-aminoquinoline drug
  • Italian: clorochina — 4-aminoquinoline drug
  • Occitan: cloroquina — 4-aminoquinoline drug
  • Portuguese: cloroquina — 4-aminoquinoline drug
  • Russian: хлорохи́н (xloroxín) — 4-aminoquinoline drug
  • Spanish: cloroquina — 4-aminoquinoline drug