Definition of chloroquine in English:



mass nounMedicine
  • A synthetic drug related to quinoline, used against malaria.

    • ‘Doctors treat malaria by using anti-malarial drugs, such as chloroquine or quinine.’
    • ‘Quinine formed the basis for synthesising the commonly used antimalarial drugs, chloroquine and mefloquine.’
    • ‘On the other side of the equation, one of the biggest reasons for the increasing incidence of malaria has been the growing resistance of the malaria parasite to the main anti-malarial drug, chloroquine.’
    • ‘The situation is becoming more difficult because the most widely used antimalarial drug chloroquine is losing its effectiveness.’
    • ‘The cheapest antimalarial drug, chloroquine, is rapidly losing its effectiveness in almost all countries where malaria is endemic.’


1940s: from chloro- + quin(olin)e.