Crudely

The speech was crudely written, lacking any rhetorical flourishes or nuanced arguments.

The crudely made furniture was unrefined and uncomfortable.

The argument was crudely summarized, leaving out all the important details.

The map was crudely drawn, making it difficult to distinguish the different regions.

The crudely constructed birdhouse fell apart in the wind.

The builder crudely cut the wood, resulting in uneven and unstable furniture.