### Clue: Worthy old relative drugs grasping duke (7)
### Answer: GRANDEE 
 ### Explanation: Definition: Worthy
 GRAN(an informal term for one's grandmother, an old relative) + EE(2 x abbrev. for the drug Ecstasy) **containing**(grasping) D(abbrev. for "duke").
Defn: …/a person of high rank or eminence.