(of a person) Illiterate, unable to read or write.
(of symbols) Not alphabetic.
An illiterate person.
Lacking worldly experience, wisdom, or judgement; unsophisticated.
Produced in a simple, childlike style, deliberately rejecting sophisticated techniques.
Intuitive; designed to follow the way ordinary people approach a problem.
Not having been exposed to something.
A naive person; a greenhorn.