Yes, "dirty" is an adjective. For example, in the sentence, "He was wearing dirty clothes", "dirty" is an adjective modifying "clothes".
Dirtiness is a noun.
Dirtiness.
disorder, misery, dirtiness, filth
Dirtiness filthiness dirt filth
phosphates actually mesure the dirtiness of the water
dirtiness and feces.its not very pleasing
filthiness, griminess, smuttiness filthiness, griminess, smuttiness
Dirty can be a verb eg:Don't dirty your clothes.The dog always dirties the carpet.He wore his boots inside and dirtied the carpet.
This can vary greatly, depending upon the cleanliness or dirtiness of the water.
The state of being dirty; filthiness; foulness; nastiness; baseness; sordidness.
To oppose the dirtiness of factories, they wanted to celebrate nature.
Depend on the dirtiness . Usually my poodle ones a week
The traffic, pollution, dirtiness, and climate can also be counted as a bad thing.