drug drug /ˈdrʌg/

noun

1. () A substance that is used as a medicine or narcotic  ( drug )
   a substance that is used as a medicine or narcotic
     The pharmacist dispensed the prescribed drug to the patient.
   The pharmacist dispensed the prescribed drug to the patient.
   
   

verb

1. () Administer a drug to  ( dose , drug )
   administer a drug to
    They drugged the kidnapped tourist
   They drugged the kidnapped tourist
   
2. Use recreational drugs  ( do drugs , drug )
   use recreational drugs