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 people do not have a wide range of experience or knowledge and have simple tastes. It was music of a rather crude kind which unsophisticated audiences enjoyed listening to She was quite unsophisticated in the ways of the world. sophisticated
awkwardly simple and provincial; "bumpkinly country boys"; "rustic farmers"; "a hick town"; "the nightlife of Montmartre awed the unsophisticated tourists"