0 Something that is unusable cannot be used, especially because it is broken or not safe. -- （尤指因破损或不安全而）不能用的，无法使用的
Compounded by effects of wide diversity of genre, this makes frequency-based measures largely unusable for single document analysis.
All of the other known algorithms have unusable intermediate results.
Given the flimsiness of both the economic and the cultural foundations of the petit bourgeoisie, this historiographical construction may now be so badly undermined as to be unusable.
However, a much more sophisticated translation system for intelligence documents, employing word translations, proved unusable, after having absorbed considerably more resources.
In particular, it has been found that the design of most commercially available music-players renders them unusable by most people with dementia.
Author and publisher have combined to create a shoddy product unusable by serious students of its subject-matter.
This seems to mean that consequentialism will be unusable as a moral guide to action.
But the very nature of electroacoustic composition and the various computational processes, their range and their refinement, usually render traditional analytic methods obsolete and unusable.
