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Webster 1913 Edition

Adj.

Ignorant of the arts.

[Obs.]

E. Waterhouse.

Not artificial; plain; simple.

[Obs.]

Feltham.

Adj.

Ignorant of the arts. [Not in use.]

unarted ‎(comparative more unarted, superlative most unarted)

(obsolete) Unskilled; uncultured, ignorant.
- 1603, John Florio, translating Michel de Montaigne, Essayes, London: Edward Blount, OCLC 946730821, vol.1, ch.24:
  Nature, to shew that nothing is savage in whatsoever she produceth, causeth oftentimes, even in rudest and most unarted nations [tr. nations moins cultivées par art], productions of spirits to arise, that confront and wrestle with the most artist productions.