dirtier

"After playing in the muddy garden, my shoes were much dirtier than before. "

"Playing outside after the rain made my shoes even dirtier. "

"At the reception, Uncle Nick got drunk and told dirty jokes to the bridesmaids."

"He might have scored, but it was a dirty trick that won him the penalty."

"The politician's campaign became dirtier as he started spreading false rumors about his opponent. "

"You need to tune that guitar: the G string sounds dirty."

"The old flag was a dirty white."

"Occasionally it reads the sector into a dirty buffer, which means it needs to sync the dirty buffer first."

"The athlete tested dirtier than expected, suggesting potential drug use. "

"He lives in a dirty great mansion."

"dirty weather"

"dirty martini"

"The waiter served dirty burgers to the customers."