; undecipherable; scribbled: His scrawl was almost unreadable.
not interesting to read; dull; tedious; an unreadable treatise.
extraordinarily difficult to read or comprehend; obscure; incomprehensible: an unreadable dream; an unreadable expression.
un·read·a·bil·i·ty, un·read·a·ble·ness, noun
is always a great word to know.
So is quincunx. Does it mean: