WordNet: abstruse, deep, recondite

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"

• similar to esoteric

abstruse

• (englanti) abstrusity (derivationally related)

• (englanti) abstruseness (derivationally related)

• (englanti) abstruseness (derivationally related)
• (suomi) vaikeatajuinen (synonyymi)

• (suomi) hämärä (synonyymi)

• (suomi) vaikeaselkoinen (synonyymi)

deep

• (suomi) syvällinen (synonyymi)

recondite

• (englanti) reconditeness (derivationally related)
• (suomi) monimutkainen (synonyymi)

• (suomi) vähän tunnettu (synonyymi)