Definition of naiver:
(adj) :
Lacking worldly experience, wisdom, or judgement; unsophisticated.
(adj) :
Not having been exposed to something.
(n) :
A naive person; a greenhorn.
(adj) :
(of art) Produced in a simple, childlike style, deliberately rejecting sophisticated techniques.
(adj) :
(computing) Intuitive; designed to follow the way ordinary people approach a problem.