A disused place or building is no longer used for its original purpose and is now empty.
Something that is unused has never been used.
When something is misused, it is used in a wrong or careless way.
| Adj. | 1. | unused - not yet used or soiled; "a fresh shirt"; "a fresh sheet of paper"; "an unused envelope"clean - free from dirt or impurities; or having clean habits; "children with clean shining faces"; "clean white shirts"; "clean dishes"; "a spotlessly clean house"; "cats are clean animals" |
| 2. | unused - not yet put into use; "we bought an unused car for a change" new - not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered; "a new law"; "new cars"; "a new comet"; "a new friend"; "a new year"; "the New World" | |
| 3. | unused - not in active use; "the machinery sat idle during the strike"; "idle hands" inactive - lacking activity; lying idle or unused; "an inactive mine"; "inactive accounts"; "inactive machinery" | |
| 4. | unused - infrequently exposed to; "feet unused to shoes" unaccustomed - not habituated to; unfamiliar with; "unaccustomed to wearing suits" |