Synonyms:
neglect, disuse
Meaning: the state of something that has been unused and neglected; "the house was in a terrible state of neglect"
Usage examples
Language was lost in disuse.
Its deplorable peculiarity was, that it was the faintness of solitude and disuse.
The old custom of giving a retreat to priests who were about to be ordained had fallen into disuse.
The above is an animated and beautiful description of an otter hunt, an old English sport fast falling into disuse, and the breed of the real otter-hound is either extinct or very nearly so.