adjective
- not able to be used; not suitable or fit for use
Examples
- The old computer became unusable after the hard drive crashed.
- Heavy rain made the hiking trail unusable for several days.
- The damaged equipment was deemed unusable and had to be replaced.
- Without proper maintenance, the machinery quickly became unusable.
- The expired software license made the program unusable.
- Flood damage left many roads unusable for weeks.