Disingenuously sophisticated (5)
I believe the answer is:
suave
(Other definitions for suave that I've seen before include "Smooth-tongued" , "Charming, elegant" , "Debonair" , "Urbane and sophisticated" , "Charming, confident" .)
I believe the answer is:
suave
(Other definitions for suave that I've seen before include "Smooth-tongued" , "Charming, elegant" , "Debonair" , "Urbane and sophisticated" , "Charming, confident" .)