abstruse   (Sound)

The abstruse has 1 Senses.

• abstruse, recondite, deep
• 深い, 難解
• 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"
• 突入は難しい