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

Encyclopedia: Tachyphylaxis

• true sparrow
• true statement
• true to
• true to life
• true toad
• true tulipwood
• true up
• true vampire bat
• true vocal cord
• true vocal fold
• true warbler
• true-blue
• true-false
• true-life
• truehearted
• truelove
• truelove knot
• trueness
• Truffaut
• truffle
• trug
• truism
• trull
• truly
• Truman