Definition of non-steroidal anti-inflammatory drug in English:

non-steroidal anti-inflammatory drug

noun

Pharmacology
  • Any of a group of non-steroidal compounds having anti-inflammatory effects (chiefly inhibition of prostaglandin synthesis), used especially in the treatment of arthritis and other inflammatory musculoskeletal disorders, as analgesics for mild to moderate pain (of headache, dysmenorrhoea, etc.), and as antipyretics; abbreviated NSAID.

Origin

1960s.