n. 1 way of approach or entry (shop with rear access). 2 a right or opportunity to reach or use or visit; admittance (access to secret files, to the prisoner). b accessibility. 3 archaic outburst (an access of anger). v. 1 Computing gain access to (data etc.). 2 accession. [French: related to ACCEDE] accessible /ak’sesib(a)1/ adj. (often foil. by to) 1 reachable or obtainable; readily available. 2 easy to understand. o accessibility /tiliti/ n.