patchwise
/ˈtætʃwaɪz/Definitions
1. adverb
in a patchwork or irregular manner, or in a way that is piecemeal or incomplete
“The new policy will be implemented patchwise, with different sectors being updated at different times.”
2. adverb
in a way that is characteristic of a patchwork or irregular pattern
“The company’s financial reports were patchwise, making it difficult to get a clear picture of their overall performance.”