bul: неясен

Information
has URI	http://lexvo.org/id/term/bul/%D0%BD%D0%B5%D1%8F%D1%81%D0%B5%D0%BD

Meaning
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means	(adjective) difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge; "the professor's lectures were so abstruse that students tended to avoid them"; "a deep metaphysical theory"; "some recondite problem in historiography" abstruse, recondite, deep