Artless
From BiblePortal Wikipedia
Artless [1]
(1): (a.) Contrived without skill or art; inartistic.
(2): (a.) Wanting art, knowledge, or skill; ignorant; unskillful.
(3): (a.) Free from guile, art, craft, or stratagem; characterized by simplicity and sincerity; sincere; guileless; ingenuous; honest; as, an artless mind; an artless tale.