Unorganized (adjective)

1. Not arranged or structured in a systematic or orderly manner.
2. Lacking organization or arrangement.
3. Not having a clear or efficient system of organization.

Origin:

From the latin word 'inorganizatus' which means 'not arranged in an orderly manner'.

Examples:

1. The office was in a state of chaos because the files were unorganized.
2. The workshop was cluttered and unorganized, making it difficult to find tools.
3. The library was unorganized, making it challenging to find the books.
4. The classroom was unorganized, causing confusion among the students.
5. The closet was unorganized, making it difficult to find the clothes.