doped

(verb) take drugs to improve one's athletic performance. Synonyms: dope.

(verb) add impurities to (a semiconductor) in order to produce or modify its properties. Synonyms: dope. Example: "The resistors have been doped."

(verb) give a narcotic to. Synonyms: dope, dope up. Example: "The athletes were dope by the coach before the race."

(adj) treated or impregnated with a foreign substance.

(adj) under the influence of narcotics. Synonyms: drugged, narcotized, narcotised. Examples: "Knocked out by doped wine." "A drugged sleep." "Were under the effect of the drugged sweets." "In a stuperous narcotized state."