(adj): exhibiting childlike simplicity and credulity
(adj): showing a lack of judgment or experience
(adj): naive and easily deceived or tricked
(adj): lacking in sophistication or worldliness
(adj): lacking subtlety and insight
(adj): not wise in the ways of the world
(adj): of or created by one without formal training; simple or naive in style
(adj): vs. trained) -- (not disciplined or conditioned or made adept by training
(adj): inexperienced
(adj): vs. conditioned), innate, unlearned -- (not established by conditioning or learning
(adj): lacking information or instruction
(adj): vs. informed) -- (not informed; lacking in knowledge or information
(adj): not initiated; deficient in relevant experience
(adj): vs. experienced), inexperient -- (lacking practical experience or training
Evian in reverse.