Conrad was dirtier then Connie.
The kitchen floor was dirtier than the bathroom floor.
Dirtier and dirtiest.
tidier
Just normal mirrors only smaller and dirtier
Dirtier
dirtier
your mouth has about 50 million different germs and bacteria in it so your mouth is probably dirtier
no
no
They are the same
The comparative form of "dirty" is "dirtier."
no, it makes surfaces dirtier