Abstruse

مترادف و متضاد abstruse

1. adjective difficult to understand
   Synonyms: abstract, clear as dishwater, complex, complicated, deep, enigmatic, esoteric, Greek to me, heavy, hidden, incomprehensible, intricate, involved, muddy, obscure, perplexing, profound, puzzling, recondite, subtle, unfathomable, vague
   Antonyms: clear, concrete, easy, lucid, obvious, plain, simple