To droop means to hang down or sag, particularly if limp. Droop may also refer to:
Technical usage Droop nose (aeronautics), an adjustable nose found on some supersonic aircraft Droop quota, a type of quota for determining winners and transferring votes in an election Droop speed control, a speed control mode of a prime mover driving a synchronous generator connected to an electrical grid. Leading-edge droop flap, a type of high-lift device found on the wings of some aircraft Leading-edge droop, a feature of some aircraft wings LED droop, the lowering of efficiency of light-emitting diodes at higher electrical currents The steady-state error of a proportional controller Voltage droop, the intentional loss in output voltage of a power supply as it drives a load
People Marie Luise Droop (1890-1959), a German writer and producer Henry Richmond Droop (1831–1884), an English mathematician John Percival Droop (1882–1963), a British classical archaeologist Droop-E, American rapper
Fictional characters Droopy, cartoon character Drooper, a character from the television show The Banana Splits Droop, a Muppet character from the television series The Muppet Show Droop-a-Long, a cartoon character from the segment Ricochet Rabbit & Droop-a-Long in The Magilla Gorilla Show
Places Droop, West Virginia Droop Hill, a mountain landform in the Kincardine and Mearns region of Aberdeenshire, Scotland Droop Mountain, a small mountain in the Allegheny Mountains in West Virginia, United States
Other uses Ptosis (disambiguation), drooping of body parts Droop cup, a type of bowl from Ancient Greece / Laconia, named after John Percival Droop "Droop" (RuPaul's Drag Race), an episode of the American television series RuPaul's Drag Race
See also Drupe, a form of fruit Drop (disambiguation)