"Smudgier" is an adjective that describes something as having more smudges or marks than usual. There are several synonyms for this word, including "dirtier," "grubbier," "smearier," and "sullied." Each of these words can be used to describe an object or surface that has become soiled, stained, or marked in some way. Other possible synonyms for "smudgier" might include "blotchy," "stained," "discolored," or "unclean," depending on the context in which the word is being used. Whatever word you choose, it should convey the idea that the thing being described is less than pristine and may need cleaning or attention in order to be made whole again.