To affect with drugs.
To treat with dope (lubricant, etc.).
To add a dopant such as arsenic to (a pure semiconductor such as silicon).
To use drugs; especially, to use prohibited performance-enhancing drugs in sporting competitions.
To judge or guess; to predict the result of.
Drugged.
He was so doped after the surgery that it took him 2 hours to remember his name.
Describing a semiconductor that has had small amounts of elements added to create charge carriers.
The silicon was doped with boron to make a p-type semiconductor.
Covered with dope, a glue or paint like pore filler.
The doped fabric covering the Hindenburg was very flammable.