Haphazard (adjective)

Done or arranged in a random or unplanned way, without any method or system.

Origin:

The word 'haphazard' comes from the middle english word 'haphazart', which means done by chance or at random.

Examples:

1. She threw all of her clothes into the closet in a haphazard way, making it hard to find anything.
2. The construction of the building was haphazard, with no clear plan or design.
3. His haphazard driving made me nervous, I was glad when we finally arrived safely.
4. The haphazard arrangement of furniture made the room look cluttered and disorganized.
5. The haphazard way in which the evidence was collected made it difficult to use in court.