1. (medicine) the decreasing effectiveness of a drug with repeated use

Encyclopedia: Tachyphylaxis

• argosy
• argot
• arguable
• arguably
• argue
• arguer
• argufy
• arguing
• argument
• argumentation
• argumentative
• argumentatively
• Argun
• Argun River
• argus
• argus pheasant
• argus-eyed
• Argusianus
• argy-bargy
• argyle
• argyll
• Argynnis
• Argyranthemum
• Argyranthemum frutescens
• Argyreia