0 If a place or thing is unreachable, it is not possible to get to it, or to get hold of it: --
After achieving a goal thought unreachable so early in the track season, Webb still has much to aim for.
Some tech company offices in major cities were unreachable by phone last Tuesday.
Sometimes the solution is as simple as lowering the height of a table if crayons and pencils are unreachable.
The village had been unreachable because landslides had blocked the roads.
More precisely, when an address becomes unreachable, the set of values associated with it is reset to the empty set.
For this application, the state space is allowed to contain both unsafe and unreachable points.
Without immense determination, without the sights set on unreachable targets, the empires could not have been won.
Indeed, for some kinds of sequences, this aspiration may simply be unreachable.
Because agents' information processing capacities are limited, substantive rationality in the sense of universal optimising capacities is excruciatingly costly or simply unreachable.
The possibility of derogatory matrices (an eigenvalue with geometric multiplicity greater than one) may even render certain invariant subspaces unreachable.
Thus, the region of the polytope that is not contained by the ellipsoid may be seen as unreachable.
The perfection of the greatest music is an unreachable ideal; the best performances are only aspirations toward it.
