### Clue: Resolute having taken time out, workable at a stretch? (6)
### Answer: DOUGHY 
 ### Explanation: Definition: workable at a stretch
 "doughty"(resolute/persistent) **minus**(having taken … out) "t"(abbrev. for "time").
Defn: Descriptive of a substance that can be worked/manipulated by stretching.