Covered or decorated with paint; also means made up or artificial looking.
From Old French 'peint,' past participle of 'peindre' meaning 'to paint.' The word comes from Latin 'pingere' and entered English through Norman French.
A 'painted' smile or a 'painted' lie is interesting—it uses the visual idea of paint (something artificial covering the real thing) to describe fake emotions. This metaphorical use shows how we steal visual words to describe feelings.
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