### Clue: Undressed without a grimace? That's brazen (9)
### Answer: BAREFACED 
 ### Explanation: Definition: brazen
  BARED(past tense of the verb to bare,undress) **containing**(without) FACE(a facial expression,grimace, as in "to make a face at someone who's annoyed you"
Defn:  Unconcealed or shameless,brazen (of brass), as in "a barefaced lie"