unsophisticated

(s) 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
unworldly,
(s) lacking complexity
- small and uncomplicated cars for those really interested in motoring
- an unsophisticated machine
uncomplicated,
(s) awkwardly simple and provincial
- bumpkinly country boys
- rustic farmers
- a hick town
- the nightlife of Montmartre awed the unsophisticated tourists
bumpkinly, hick, rustic,

unworldly uncomplicated bumpkinly hick rustic