Definitions

1. adjective

Not capable of being used; unusable.

“Due to the damage, the entire wing of the building became nonusable.”

2. adjective

Not capable of being used for a specific purpose; unserviceable.

“The nonusable equipment was replaced with new models.”

3. noun

Something that is not capable of being used; an unusable thing.

“The nonusable parts of the machine were discarded.”