un·us·a·ble 
(ŭn-yzə-bəl)
(ŭn-yzə-bəl)adj.
1. That cannot be used: unusable byproducts.
2. Not fit for use: unusable files on corrupted disks.
- sanitary landfill
- sanitary napkin
- sanitation
- sanitization
- sanitize
- sanity
- San Jacinto River
- San Joaquin River
- San Jose
- San Jose scale
- San José
- San Juan
- San Juan Capistrano
- San Juan Hill
- San Juan Islands
- San Juan Mountains
- sank
- Sankhya
- Sankt Gallen
- San Lucas
- San Luis Obispo
- San Luis Potosí
- San Marino
- San Mateo
- San Miguel de Tucumán