The phrase "most dirty" is grammatically correct and can be used in written English.
It is a comparative adjective, which compares two or more things and indicates which one has the highest degree of the described quality. Example: "Of all the dishes in the sink, this one is the most dirty."
You would see a limousine with a chauffeur pull up and see the most dirty, unkempt person come out.
B is for... bread You can remove most dirty or greasy fingerprints from painted walls by rubbing the area with a slice of white bread.
"We need a global agreement that keeps most dirty fossil fuels in the ground and provides ample support for developing nations to leapfrog into clean energy economies".
General secretary Dave Prentis said: "Staff in slaughterhouses work in some of the most dirty, difficult and stressful conditions, surrounded by blood and faeces, to keep the public safe from contaminated meat.
Again and again in Britain we see in town councils or in school counselors or headmistresses or headmasters or teachers being hounded by groups and cabals of witch hunters, using the most dirty and often cruel tactics.
What is more, medicine's most dirty open secret -- the glut of errors that occur in hospitals -- has become a high-profile and politicized issue, and many proponents of information-sharing technologies think that their products can help prevent tragic bedside errors.
Deborah de Robertis previously got into trouble for revealing her own vagina next to this sensational work that for most of its life was hidden in the private collections of some of the most dirty-minded intellectuals in Paris.
The retirement of these polluting factories were the culmination of a more than 12 year long campaign to shut down the coal power plants formerly ranked number one and third most dirtiest in the nation.
"I saw some of the most disgusting, dirty, filthy living situations," she added.
In his first run in the fiercely competitive sport, the young Schumacher had been known as one of the series' most notoriously dirty drivers.
Contador will have a hard time being believed because of cycling's reputation as one of the most universally dirty sports in the world.
