a preparation given illegally to a racing race horse, greyhound, etc to make it run faster or slower
slang marijuana, opium, or another illegal drug
informal a stupid person
(often the dope) informal information, esp from a reliable source
a thick liquid or pasty preparation
a preparation for giving a desired quality to a substance, esp a petrol additive
a coating applied to a surface or fabric, e.g. of a balloon, to improve strength, impermeability, or tautness
absorbent material used in various manufacturing processes, e.g. the making of dynamite