ABSTRUSE (OR OBSCURE) (Adj.)

Meaning- complex, difficult to understand.

Mnemonic trick- ABSTRUSE = ABS + TRUSE. It is an abstruse task to know the truth of the origin of ABC.

Synonym- PERPLEXING, PUZZLING, ESOTERIC, PROFOUND, RAREFIED, HIGHBROW, RECONDITE

Uses-

•          Some scientist may understand the Einstein’s theory of relativity, but for students, it is an abstruse collection of ideas.
•          It is an abstruse task to understand the enigma of Bermuda triangle.