artless (Adjective) — Characterized by an inability to mask your feelings; not devious. ex. "an artless admission of responsibility"
artless (Adjective) — Simple and natural; without cunning or deceit. ex. "an artless manner" ex. "artless elegance"
artless (Adjective) — Showing lack of art. ex. "an artless translation"
artless (Adjective) — (of persons) lacking art or knowledge. ex. "artless persons have full means of knowing with absolute certainty God's existence"