unsophisticated in WordNet English dictionary

1. awkwardly simple and provincial
   "bumpkinly country boys"; "rustic farmers"; "a hick town"; "the nightlife of Montmartre awed the unsophisticated tourists"
   bumpkinly  hick  rustic  unsophisticated 
   
2. lacking complexity
   "small and uncomplicated cars for those really interested in motoring"; "an unsophisticated machine"
   uncomplicated  unsophisticated 
   
3. not wise in the ways of the world
   "either too unsophisticated or too honest to promise more than he could deliver"; "this helplessly unworldly woman"- Kate O'Brien
   unsophisticated  unworldly