Chloroquine

//ˈklɔː.ɹə(ʊ).kwiːn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A 4-aminoquinoline drug used to treat and prevent malaria, having the chemical formula C₁₈H₂₆ClN₃. countable, uncountable

    "Drug-Interactions: Several anti-malaria drugs, such as mefloquine, chloroquine and proguanil (not approved for use in US) possess antibacterial activity which may interfere with the immunogenicity of Vivotif."

  2. 2
    an antimalarial drug used to treat malaria and amebic dysentery and systemic lupus erythematosus wordnet

Example

More examples

"Nigeria has warned against using the drug chloroquine to fight COVID-19 after three people were hospitalized after overdosing on it."

Etymology

From chloro- + -quine (“quinoline derivative”).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.