============================================================================== In order that we might all raise the level of discourse and expand our language abilities, here is the daily post of "Word for the Day". ab·struse abˈstro͞os,əbˈstro͞os/ adjective: abstruse difficult to understand; obscure. "an abstruse philosophical inquiry" synonyms: obscure, arcane, esoteric, little known, recherché, rarefied, recondite, difficult, hard, puzzling, perplexing, cryptic, enigmatic, Delphic, complex, complicated, involved, over/above one's head, incomprehensible, unfathomable, impenetrable, mysterious "her abstruse arguments were hard to follow" Origin: late 16th century: from Latin abstrusus ‘put away, hidden,’ from abstrudere ‘conceal,’ from ab- ‘from’ + trudere ‘to push.’