EN unsophisticated
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{adjective}

unsophisticated (also: ingenuous, innocent, naïve, simple)
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наивный [наи́вный] {adj. m}
unsophisticated (also: artless, childlike, common, gross)
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простой [просто́й] {adj. m}
unsophisticated (also: naïve, inartificial, inelaborate, unartful)
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безыскусственный [безыску́сственный] {adj. m}
unsophisticated (also: guileless, ingenuous, innocent, naïve)
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простодушный [простоду́шный] {adj. m}
unsophisticated (also: clean, clear, fresh, immaculate)
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чистый [чи́стый] {adj. m}
unsophisticated

Synonyms (English) for "unsophisticated":

unsophisticated
sophisticated
English