What does "artless" mean?

Artless: Contrived without skill or art; inartistic. [R.] Artless and massy pillars. T. Warton.

Additional senses

  1. 2.Free from guile, art, craft, or stratagem; characterized by simplicity and sincerity; sincere; guileless; ingenuous; honest; as, an artless mind; an artless tale. They were plain, artless men, without the least appearance of enthusiasm or credulity about them. Porteus. O, how unlike the complex works of man, Heaven's easy, artless, unencumbered plan! Cowper.

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