Meaning : Soiled or likely to soil with dirt or grime.
Example :
Dirty unswept sidewalks.
A child in dirty overalls.
Dirty slums.
Piles of dirty dishes.
Put his dirty feet on the clean sheet.
Wore an unclean shirt.
Mining is a dirty job.
Cinderella did the dirty work while her sisters preened themselves.
Free from dirt or impurities. Or having clean habits.
Children with clean shining faces.Unclean meaning in Bengali (Bangla).