Crudely

The doctor crudely diagnosed the patient, without conducting thorough tests.

The crudely made furniture was unrefined and uncomfortable.

The technician crudely repaired the machine, resulting in further damage.

The computer program was crudely coded, resulting in frequent crashes and errors.

He crudely told the customer to leave the store.

The crudely constructed birdhouse fell apart in the wind.

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