a drug that is not legal, especially marijuana:
Jeff used to smoke dope all the time.
2 [countable] spoken
a stupid person [= idiot]:
What a dope!
a test given to people or animals taking part in a sport, to see if they have taken or have been given a drug to improve their performance
new information about someone or something, especially information that not many people know:
What's the dope on the new guy?