Pronunciation: (dō'pē), [key]
—adj., dop•i•er, dop•i•est. Informal.
1. stupid; inane: It was rather dopey of him to lock himself out.
2. sluggish or befuddled from or as from the use of narcotics or alcohol. Also,dop'y.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.