unkempt

"The ivy overgrown the entire side of the house, covering the windows. "

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

"The handmade wooden toy had an unpolished surface, showing the natural grain of the wood. "

"Be sure to finish your homework before you go to bed!"

"The crowd scattered in terror."

"The police arrested the disorderly man after he started shouting and pushing people in the crowded market. "

"After a rough night's sleep, he uncombed his hair, making it look messy. "

"He is a student of life."

"The library offered an extension on the due date for the overdue books. "

"The school's fundraising projects aim to build a new library. "

"The strong wind dishevelled her hair as she walked to school. "

"to neglect duty or business;  to neglect to pay debts"