unsophisticated
adjective C2- Not sophisticated; lacking sophistication.
From the library
Haydée, whose soul seemed centred in the business of the stage, like all unsophisticated natures, delighted in whatever addressed itself to the eye or ear.
Learn unsophisticated in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.