meaning of "accessible" Does "not accessible" in the following context mean "out of reach" or "difficult to understand"? Context: War art is a very broad and growing realm of activity and offers a wealth of material, some of it not readily accessible, even in our electronic age. The decision to focus in this book on Britain and the USA, but without totally ignoring the major contributions made by other nations’ artists and war art programmes, provides a structure for considering the current abundance of material.