dirtiest

As adjectives the difference between dirty and dirtiest

is that dirty is unclean; covered with or containing unpleasant substances such as dirt or grime while dirtiest is (dirty).

As an adverb dirty

is in a dirty manner.

As a verb dirty

is to make (something) dirty.

As adjectives the difference between dirtier and dirtiest

is that dirtier is comparative of dirty while dirtiest is superlative of dirty.

As an adjective dirtiest

is (dirty).

As a verb dirties is

(dirty).

As adjectives the difference between dictiest and dirtiest

is that dictiest is (dicty) while dirtiest is (dirty).