See artless in Webster's New World Roget's A-Z Thesaurus II
adjective
Free from guile, cunning, or deceit:
guileless, ingenuous, innocent, naive, natural, simple, unaffected, unsophisticated, unstudied, unworldly. See honestOf a plain and unsophisticated nature:
homely, homespun, natural, rustic, unadorned, unpolished. See plain
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