Haphazard means happening in a random or unplanned way, without any order or method. It describes an action that is done carelessly or without thought, often leading to chaos or disorder.
Torroella de Mongrí town deserves a visit, there's something funky about the kind of haphazard way the buildings are put together on the main square. (catalonia-valencia.com)
While doing so, it is not meant that you randomly develop some eLearning projects and arrange them in haphazard manner. (elearningindustry.com)
Unfortunately, many investors use the same haphazard approach. (moneysense.ca)