### Clue: Defect with Miles, Dicky and Henry after start of back-stabbing (7)
### Answer: BLEMISH 
 ### Explanation: Definition: Defect
 [ **Anagram of**(…, Dicky) MILES **plus**(and) H(abbrev. for the Henry, in physics, a unit of electrical inductance) ] **placed after**(after) **the 1st letter of**(start of) "back-stabbing".