recklessly

"Reckless driving caused the accident. "

"The crosswalk allows pedestrians to safely cross the busy street. "

"The dry-stone wall used a large, flat through to support the top stones. "

"supply and demand"

"The teacher gave the students allowance to finish the project early if they worked hard. "

"He is a student of life."

"A problem ignored is a problem doubled."

"His contempt for the new teacher was obvious; he scoffed at her ideas and ignored her instructions. "

"The man crowded into the packed room."

"If you miss your curfew, a consequence is having to stay inside and do chores. "

"The wool on my arm produced a strange feeling."

"The school is located just outside the town, without the main shopping area. "