English adjective: abstruse | |||
1. | abstruse difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge | ||
Samples | The professor's lectures were so abstruse that students tended to avoid them. A deep metaphysical theory. Some recondite problem in historiography. | ||
Synonyms | deep, recondite | ||
Similar | esoteric | ||
Antonyms | exoteric | ||